PRACTICE 7(QUESTIONS AND
ANSWERS) 2022\2023
If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes? -
ANSWER-5/p
If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how
long will it take for both of them to paint the house together? - ANSWER-2 hours and 24
minutes
Employees of a discount appliance store receive an additional 20% off of the lowest
price on an item. If an employee purchases a dishwasher during a 15% off sale, how
much will he pay if the dishwasher originally cost $450? - ANSWER-Sale Price = $450 -
0.15*$450 = $382.50, Employee Price = $382.50 - 0.2*$382.50 = $306
The sales price of a car is $12,590, which is 20% off the original price. What is the
original price? - ANSWER-$12,590 = Original Price - 0.2*Original Price = 0.8*Original
Price, Original Price = $12,590/0.8 = $15,737.50
Solve the following equation for A : 2A/3 = 8 + 4A - ANSWER--2.4
If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of
their ages is 41. Then how old is Sue? - ANSWER-8
Alfred wants to invest $4,000 at 6% simple interest rate for 5 years. How much interest
will he receive? - ANSWER-$1,200
Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost.
How much did the statue originally cost him? - ANSWER-$670 = Cost + 0.35*Cost =
1.35*Cost, Cost = $670/1.35 = $496.30
The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler
spends the night in a motel room that costs $55 before taxes, how much will the city
receive in taxes from him? - ANSWER-17 cents
A student receives his grade report from a local community college, but the GPA is
smudged. He took the following classes: a 2 hour credit art, a 3 hour credit history, a 4
hour credit science course, a 3 hour credit mathematics course, and a 1 hour science
lab. He received a "B" in the art class, an "A" in the history class, a "C" in the science
class, a "B" in the mathematics class, and an "A" in the science lab. What was his GPA
if the letter grades are based on a 4 point scale? - ANSWER-3.0
,Simon arrived at work at 8:15 A.M. and left work at 10: 30 P.M. If Simon gets paid by
the hour at a rate of $10 and time and ½ for any hours worked over 8 in a day. How
much did Simon get paid? - ANSWER-$173.75
Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue
ones. What is the minimum number of jellybeans she must take out of her pocket to
ensure that she has one of each color? - ANSWER-13
If r = 5 z then 15 z = 3 y, then r = - ANSWER-y
If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents
at the same rate? - ANSWER-150/x
Lee worked 22 hours this week and made $132. If she works 15 hours next week at the
same pay rate, how much will she make? - ANSWER-$90
If 8x + 5x + 2x + 4x = 114, the 5x + 3 = - ANSWER-33
You need to purchase a textbook for nursing school. The book cost $80.00, and the
sales tax where you are purchasing the book is 8.25%. You have $100. How much
change will you receive back? - ANSWER-$13.40
You purchase a car making a down payment of $3,000 and 6 monthly payments of
$225. How much have you paid so far for the car? - ANSWER-$4350
Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse's
station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are sold in sets of
2 for 12.95. How much will purchasing these products cost? - ANSWER-$132.85
If y = 3, then y3(y3-y)= - ANSWER-648
If the average of three numbers is V. If one of the numbers is Z and another is Y, what
is the remaining number? - ANSWER-3V- Z - Y
Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at
10 miles per hour and starts 3 hours after the first cyclist who is traveling at 6 miles per
hour. How much time will pass before the second cyclist catches up with the first from
the time the second cyclist started biking? - ANSWER-4 ½ hours
Jim can fill a pool carrying buckets of water in 30 minutes. Sue can do the same job in
45 minutes. Tony can do the same job in 1 ½ hours. How quickly can all three fill the
pool together? - ANSWER-15 minutes
Mary is reviewing her algebra quiz. She has determined that one of her solutions is
incorrect. Which one is it? - ANSWER-t - 2t - 3t = 32, t = 8
, What simple interest rate will Susan need to secure to make $2,500 in interest on a
$10,000 principal over 5 years? - ANSWER-5%
A study reported that in a random sampling of 100 women over the age of 35 showed
that 8 of the women were married 2 or more times. Based on the study results, how
many women in a group of 5,000 women over the age of 35 would likely be married 2 or
more times? - ANSWER-400
John is traveling to a meeting that is 28 miles away. He needs to be there in 30 minutes.
How fast does he need to go to make it to the meeting on time? - ANSWER-56 mph
If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack
can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working
together to mix the 20 drinks? - ANSWER-2 minutes and 44 seconds
If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how
long would the job take if Sam, Lisa, and Tom worked together to complete it? -
ANSWER-1.09 days
Jim has 5 pieces of string. He needs to choose the piece that will be able to go around
his 36-inch waist. His belt broke, and his pants are falling down. The piece needs to be
at least 4 inches longer than his waist so he can tie a knot in it, but it cannot be more
that 6 inches longer so that the ends will not show from under his shirt. Which of the
following pieces of string will work the best? - ANSWER-3 ½ feet
The last week of a month a car dealership sold 12 cars. A new sales promotion came
out the first week of the next month and the sold 19 cars that week. What was the
percent increase in sales from the last week of the previous month compared to the first
week of the next month? - ANSWER-58%
If two planes leave the same airport at 1:00 PM, how many miles apart will they be at
3:00 PM if one travels directly north at 150 mph and the other travels directly west at
200 mph? - ANSWER-500 miles
During a 5-day festival, the number of visitors tripled each day. If the festival opened on
a Thursday with 345 visitors, what was the attendance on that Sunday? - ANSWER-
9,315
Round 907.457 to the nearest tens place - ANSWER-910
At a certain high school, the respective weights for the following subjects are:
Mathematics 3, English 3, History 2, Science 2 and Art 1.
What is a student's average whose marks were the following: Geometry 89, American
Literature 92, American History 94, Biology 81, and Sculpture 85? - ANSWER-88.2