The table shows how much a shop charges a customer for renting a surfboard.
Time |
Charges |
First hour |
$9.50 |
Every additional 12 hour |
$4.50 |
Emily paid $45.50 for renting a surfboard starting from 14 00. What would be the latest time she must return the surfboard to the shop?
Amount that Emily paid for all the additional
12 hours
= 45.50 - 9.50
= $36
Number of sets of additional
12 hours
= 36 ÷ 4.50
= 8
Total additional time that Emily paid for
= 8 x
12= 4 h
Total time that Emily paid for
= 1 + 4
= 5 h
5 h after 14 00 = 19 00
Latest time that Emily must return the surfboard to the shop: 19 00
Answer(s): 19 00