The table shows the parking rates at a carpark.
Duration |
Charges |
First 3 hours |
$3.00 |
After the third hour |
$1.10 per 12 hour or part thereof |
Gem paid $7.40 for her parking charges. What was the greatest number of hours she parked her car at the carpark?
Amount that Gem paid for the first 3 hours = $3.00
Amount that Gem paid after the third hour
= 7.40 - 3.00
= $4.40
Number of sets of $1.10
= 4.40 ÷ 1.10
= 4
Duration of the additional time
= 4 x
12 = 2 h
Greatest number of hours that Gem parked her car at the carpark
= 3 + 2
= 5 h
Answer(s): 5 h