PSLE The table shows the charges for laser gun rental. Reggie rented a laser gun from 11.22 a.m. to 5.42 p.m.. How much did he pay?
Laser Gun rental |
Charges |
First hour |
$3 |
Additional 12 hour or part thereof |
$1.60 |
From 11.22 a.m. to 12.22 p.m. = 1 h
From 12.22 p.m. to 5.42 p.m. = 5 h 20 min = 320 min
Sets of additional
12 hour
= 320 ÷ 30
= 10 r 20
Total number of sets of additional
12 hour and part thereof to pay for
= 10 + 1
= 11
Amount to pay from 11.22 a.m. to 12.22 a.m. = $3
Amount to pay from 12.22 a.m. to 5.42 p.m. = 11 x 1.60 = $17.60
Total amount that Reggie paid
= 3 + 17.60
= $20.60
Answer(s): $20.60