The table shows the parking rates at a carpark.
Duration |
Charges |
First 3 hours |
$9.00 |
After the third hour |
$3.10 per 12 hour or part thereof |
Elyse paid $55.50 for her parking charges. What was the greatest number of hours she parked her car at the carpark?
Amount that Elyse paid for the first 3 hours = $9.00
Amount that Elyse paid after the third hour
= 55.50 - 9.00
= $46.50
Number of sets of $3.10
= 46.50 ÷ 3.10
= 15
Duration of the additional time
= 15 x
12 = 7.5 h
Greatest number of hours that Elyse parked her car at the carpark
= 3 + 7.5
= 10.5 h
Answer(s): 10.5 h