Final exam Review

Question 1

You want to carpet a room that measures 10 feet by 12 feet. Carpet is usually sold by the square yard.
a. How many square yards of carpet do you need?
b. If the Stainmaster Pet Protection carpet you have picked out at Lowe’s costs $31.96 per square
yard, how much will it cost to carpet your room?

Question 2

Bertie, the world’s fastest tortoise, can run at a maximum speed of 0.62 miles per hour. Convert this to
feet per second. Show your use of units and conversion factors.

Question 3

Convert the following. Where necessary, round to the nearest hundredth.
a. 45,789 inches to
_ miles b. 17 years to
_
_
s e c o n d s

Question 4

Your dinner in London cost 82 British pounds. How much is that in U.S. dollars?
(US $1.356 = 1 British pound)

Question 5

Gasoline sells for 1.5 euros/liter in Bonn. What is the price in U.S. dollars per gallon?
(1 gallon = 3.785 liters and US $1.225 = 1 euros)

Question 6

Mariah’s salary in 2022 was $50,000. In 2023 she received a 5% raise. In 2024 she will receive a
promotion and a 20% raise. What will her new salary be?

Question 7

Michael Jordan’s total salary over his 16-year NBA career was $93,877,500. In the 1997/98 season, he
earned his highest yearly salary of $33, 140,000. What percentage of his total career earnings came
from the 1997/98 season?

Question 8

Use the appropriate compound interest formula to compute the balance in each account after the
stated period of time.
a. $10,000 is invested for 5 years with an APR of 2.75% and compounded monthly b. $25,500 is invested for 30 years with an APR of
3.7% and compounded quarterly

Question 9

You began putting $300 per month in an investment plan that pays an APR of 3.5% when you started a
new job at age 30. How much money will you have in the account when you retire at age 65? Compare
this amount to the total deposits made over this period of time.

Question 10

For the following loans (1) calculate the monthly payment, (2) determine the total amount paid over
the term of the loan, and (3) determine how much interest is paid over the life of the loan.
a. a student loan for $24,000 at a fixed b. a home mortgage of $150,000 with a fixed APR
APR of 7% for 10 years of 5.5% for 15 years

Question 11

Compute the mean, median, and mode of the following data sets.
a. body temperature of ten randomly b. blood alcohol content of 12 drivers involved in
selected normal and healthy adults fatal crashes
98.6
98.4
98.6
98.4
98.0
98.4
98.0
98.4
99.0
98.6
0.27 0.17 0.17
0.29 0.24 0.14
0.16
0.16
0.13 0.24
0.12 | 0.16