The table shows the parking rates at a carpark.
Duration |
Charges |
First 2 hours |
$5.00 |
After the second hour |
$2.60 per 12 hour or part thereof |
Risa paid $10.20 for her parking charges. What was the greatest number of hours she parked her car at the carpark?
Amount that Risa paid for the first 2 hours = $5.00
Amount that Risa paid after the second hour
= 10.20 - 5.00
= $5.20
Number of sets of $2.60
= 5.20 ÷ 2.60
= 2
Duration of the additional time
= 2 x
12 = 1 h
Greatest number of hours that Risa parked her car at the carpark
= 2 + 1
= 3 h
Answer(s): 3 h