The table shows the parking rates at a carpark.
Duration |
Charges |
First 3 hours |
$9.00 |
After the third hour |
$3.40 per 12 hour or part thereof |
Roshel paid $49.80 for her parking charges. What was the greatest number of hours she parked her car at the carpark?
Amount that Roshel paid for the first 3 hours = $9.00
Amount that Roshel paid after the third hour
= 49.80 - 9.00
= $40.80
Number of sets of $3.40
= 40.80 ÷ 3.40
= 12
Duration of the additional time
= 12 x
12 = 6 h
Greatest number of hours that Roshel parked her car at the carpark
= 3 + 6
= 9 h
Answer(s): 9 h