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? - Answer-1909.50 Mexican pesos
Gasoline sells for 1.25 euro ler liter. What is the price in U.S. dollars per gallon? - Answer-$6.25 per gal
Convert the temperature, as indicated. Round your answer to the hundredths, if appropriate.
70 degrees F, into Celsius - Answer-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. - Answer-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? - Answer-$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? - Answer-3%
, 963 people voted for the incumbent candidate out of 1778 voters. What percent voted for the
incumbent? (Round answer to the nearest tenth.) - Answer-54.2%
Find the scale ratio for a map if 1 inch on the map represents 10 miles on the ground. - Answer-
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? - Answer-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. - Answer-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. -
Answer-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. - Answer-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? - Answer-2.2%
Recently, one US dollar was worth about 12.73 Mexican pesos. How much would 150 U.S. dollars be
worth in Mexican pesos? - Answer-1909.50 Mexican pesos
Gasoline sells for 1.25 euro ler liter. What is the price in U.S. dollars per gallon? - Answer-$6.25 per gal
Convert the temperature, as indicated. Round your answer to the hundredths, if appropriate.
70 degrees F, into Celsius - Answer-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. - Answer-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? - Answer-$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? - Answer-3%
, 963 people voted for the incumbent candidate out of 1778 voters. What percent voted for the
incumbent? (Round answer to the nearest tenth.) - Answer-54.2%
Find the scale ratio for a map if 1 inch on the map represents 10 miles on the ground. - Answer-
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? - Answer-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. - Answer-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. -
Answer-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. - Answer-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? - Answer-2.2%
