MAT 143 Final Exam
Recently, one US dollar was worth about 12.73 Mexican pesos. How much would 150
U.S. dollars be worth in Mexican pesos?
1909.50 Mexican pesos
Gasoline sells for 1.25 euro per liter. What is the price in U.S. dollars per gallon?
$6.25 per gal
Convert the temperature, as indicated. Round your answer to the hundredths, if
appropriate.
70 degrees F, into Celsius
21.11 degrees C
Decide which of the two given prices is the better deal.
You can buy hair product in a 12-ounce bottle for $2.88 or in a 8-ounce bottle for $1.76.
8-ounce bottle for $1.76
What is the cost of lighting a 100-watt outdoor light for one week, if electricity costs 15
cents per kilowatt/hour?
$2.52/week
Of those who applied to the college, 30% were accepted and of those accepted, 10%
enrolled. What percentage of those who applied, enrolled?
3%
963 people voted for the incumbent candidate out of 1778 voters. What percent voted
for the incumbent? (Round answer to the nearest tenth.)
54.2%
Find the scale ratio for a map if 1 inch on the map represents 10 miles on the ground.
1:633,600
, A certain antihistamine is often prescribed for allergies. A typical dose for a 100 pound
person is 20 mg for every 6 hours. How many mg of medicine would a 100-pound
person receive in a day?
80 mg/day
Two measurements are given. Find the absolute difference and then find the relative
difference as a percentage. Assume that the first quantity is the compared value and the
second value is the reference value. Round answers to the nearest tenth if necessary.
Last year the total revenue for Clearline phone company was $13.7 million while the
revenue for its competitor, the Speakmore was $10.8 million.
Absolute difference: $2.9 million
Relative difference: 26.9%
Calculate the population density.
The population of the United States in 2015 was roughly 322 million. Express this as the
number of people per square mile. The land area of the United States is roughly 3.80
million square miles.
85 people per square mile
The national debt was about $17.8 trillion at the end of 2015. Express this quantity as
the number of dollars per person. Assume a U.S. population was roughly 322 million in
the year 2015.
About $55,279.50 per person
A company spent $12,600 this year on health insurance alone. If the total sales were
$575,900, what percentage of total sales was spent on health insurance?
2.2%
An organization estimated that in a particular year the entire population of the country
spent $10.4 trillion in personal consumption. The major categories of the expenditures
are the following:
Durable goods: $1.2 trillion
Nondurable goods: $2.7 trillion
Services: $6.5 trillion
a) What is the approximate annual per capita spending for personal consumption?
Assume the population of the country is 310 million.
b) Spending on health care was estimated to be $1.6 trillion that year. About what
Recently, one US dollar was worth about 12.73 Mexican pesos. How much would 150
U.S. dollars be worth in Mexican pesos?
1909.50 Mexican pesos
Gasoline sells for 1.25 euro per liter. What is the price in U.S. dollars per gallon?
$6.25 per gal
Convert the temperature, as indicated. Round your answer to the hundredths, if
appropriate.
70 degrees F, into Celsius
21.11 degrees C
Decide which of the two given prices is the better deal.
You can buy hair product in a 12-ounce bottle for $2.88 or in a 8-ounce bottle for $1.76.
8-ounce bottle for $1.76
What is the cost of lighting a 100-watt outdoor light for one week, if electricity costs 15
cents per kilowatt/hour?
$2.52/week
Of those who applied to the college, 30% were accepted and of those accepted, 10%
enrolled. What percentage of those who applied, enrolled?
3%
963 people voted for the incumbent candidate out of 1778 voters. What percent voted
for the incumbent? (Round answer to the nearest tenth.)
54.2%
Find the scale ratio for a map if 1 inch on the map represents 10 miles on the ground.
1:633,600
, A certain antihistamine is often prescribed for allergies. A typical dose for a 100 pound
person is 20 mg for every 6 hours. How many mg of medicine would a 100-pound
person receive in a day?
80 mg/day
Two measurements are given. Find the absolute difference and then find the relative
difference as a percentage. Assume that the first quantity is the compared value and the
second value is the reference value. Round answers to the nearest tenth if necessary.
Last year the total revenue for Clearline phone company was $13.7 million while the
revenue for its competitor, the Speakmore was $10.8 million.
Absolute difference: $2.9 million
Relative difference: 26.9%
Calculate the population density.
The population of the United States in 2015 was roughly 322 million. Express this as the
number of people per square mile. The land area of the United States is roughly 3.80
million square miles.
85 people per square mile
The national debt was about $17.8 trillion at the end of 2015. Express this quantity as
the number of dollars per person. Assume a U.S. population was roughly 322 million in
the year 2015.
About $55,279.50 per person
A company spent $12,600 this year on health insurance alone. If the total sales were
$575,900, what percentage of total sales was spent on health insurance?
2.2%
An organization estimated that in a particular year the entire population of the country
spent $10.4 trillion in personal consumption. The major categories of the expenditures
are the following:
Durable goods: $1.2 trillion
Nondurable goods: $2.7 trillion
Services: $6.5 trillion
a) What is the approximate annual per capita spending for personal consumption?
Assume the population of the country is 310 million.
b) Spending on health care was estimated to be $1.6 trillion that year. About what
