The table shows how much a shop charges a customer for renting a pair of rollerblades.
Time |
Charges |
First hour |
$9.50 |
Every additional 12 hour |
$3.50 |
Min paid $23.50 for renting a pair of rollerblades starting from 12 00. What would be the latest time she must return the pair of rollerblades to the shop?
Amount that Min paid for all the additional
12 hours
= 23.50 - 9.50
= $14
Number of sets of additional
12 hours
= 14 ÷ 3.50
= 4
Total additional time that Min paid for
= 4 x
12= 2 h
Total time that Min paid for
= 1 + 2
= 3 h
3 h after 12 00 = 15 00
Latest time that Min must return the pair of rollerblades to the shop: 15 00
Answer(s): 15 00