PSLE The table shows the charges for computer rental. Mark rented a computer from 11.45 a.m. to 4.28 p.m.. How much did he pay?
Computer rental |
Charges |
First hour |
$4 |
Additional 12 hour or part thereof |
$1.10 |
From 11.45 a.m. to 12.45 p.m. = 1 h
From 12.45 p.m. to 4.28 p.m. = 3 h 43 min = 223 min
Sets of additional
12 hour
= 223 ÷ 30
= 7 r 13
Total number of sets of additional
12 hour and part thereof to pay for
= 7 + 1
= 8
Amount to pay from 11.45 a.m. to 12.45 a.m. = $4
Amount to pay from 12.45 a.m. to 4.28 p.m. = 8 x 1.10 = $8.80
Total amount that Mark paid
= 4 + 8.80
= $12.80
Answer(s): $12.80