Question

Lianna charges an hourly rate for repairing computers. The table shows the amounts Lianna charged for different numbers of hours she worked.

Lianna's Earnings
Hours Worked Amount Charged (dollars)
3 67.50
4.5 101.25
5 112.50
9 x

Based on the data in the table, what is the value of x, the amount Lianna would charge for a computer repair that takes 9 hours?

A
$123.75
B
$202.50
C
$146.25
D
$213.75

Answer 1

Each charge = hours × hourly rate. From 3 hours for \$67.50 the rate is 67.50 ÷ 3 = \$22.50/hour.
For 9 hours: 9 × 22.50 = \$202.50.

Answer: B $202.50