CASAS Math Goals 5

Question 1

Maria earns $2,400 per month. She spends 28% on rent. How much does she spend on rent each month?

Accepted Answer

$672

Answer

$2,400 × 0.28 = $672.

Question 2

A credit card charges 18% annual interest on a $500 balance. How much interest is owed after one year?

Accepted Answer

$90

Answer

$500 × 0.18 = $90 interest for one year.

Question 3

Estimate the total cost: $4.89 + $7.25 + $3.55 + $6.10. Round each to the nearest dollar first.

Accepted Answer

$22

Answer

$5 + $7 + $4 + $6 = $22, which is the best estimate.

Question 4

A phone plan costs $45 per month plus $0.05 per text. Last month, 120 texts were sent. What was the total bill?

Accepted Answer

$51.00

Answer

$45 + (120 × $0.05) = $45 + $6.00 = $51.00.

Question 5

A savings account earns 3% simple interest per year. If you deposit $1,000, how much total will you have after 2 years?

Accepted Answer

$1,060

Answer

Interest = $1,000 × 0.03 × 2 = $60; Total = $1,000 + $60 = $1,060.

CASAS (Comprehensive Adult Student Assessment System) Practice Test