Question

The massaging chair at the airport cost $5.25 for every 10 minutes. The chair was used for 1/2 and hour in the morning, 20 minutes in the afternoon and 3 hours and 40 minutes in the evening. How much money should have been deposited into the chair that day?

A. $23.63
B. $136.50
C. $141.75
D. $147.00

Answer 1

D should be the correct answer

Answer 2

Answer:

C

You just count how many tens are for each one (30 min = 3 tens; 20 min = 2 tens; 3 hours = 18 tens; 40 min = 4 tens), which adds up to 27 tens. Since it costs $5.25 for every ten minutes, the total would be 27 x 5.25, or $141.75, which means the correct answer is C.

Calculations

3 + 2 + 18 + 4

27 x 5.25 =