The table shows the parking fees at a car park.
Time |
Charges |
First 1 hour or less |
$2.70 |
Every additional 30 minutes or part thereof |
$2.40 |
Overnight parking from 10 p.m. to 6:30 a.m. |
$8 |
- Oscar parked his car at the carpark at 3.00 p.m. for 1 hour and 29 minutes. How much did he have to pay?
- Min parked her car at the car park from 3:40 p.m. on Monday to 10 a.m. on Tuesday. Find the amount of parking fee that she had to pay.
(a)
Amount that Oscar had to pay for 1 hour and 29 minutes
= 2.70 + 2.40
= $5.10
(b)
1 h = 60 min
From 3:40 p.m. to 4:40 p.m.:
1 h
Amount that Min had to pay from 3:40 p.m. to 4:40 p.m = $2.70
From 4:40 p.m. to 10:00 p.m.: 5 h 20 min
5 h 20 min = 5 x 60 + 20 = 320 min
Number of sets of additional 30 minutes in 5 h 20 min
= 320 ÷ 30
= 10 r 20
Number of sets of additional 30 minutes that Min had to pay for
= 10 + 1
= 11
Amount that Min had to pay for all the additional 30 minutes or part thereof for 5 h 20 min
= 11 x 2.40
= $26.40
From 10:00 p.m. to 6.30. a.m.
Amount that Min had to pay from 10:00 to 6.30 a.m. = $8
From 6.30 a.m. to 10 a.m.: 3 h 30 min
3 h 30 min = 3 x 60 + 30 = 210 min
Number of sets of additional 30 minutes in 3 h 30 min
= 210 ÷ 30
= 7
Amount that Min had to pay for all the additional 30 minutes or part thereof for 3 h 30 min
= 7 x 2.40
= $16.80
Total amount that Min had to pay
= 2.70 + 26.40 + 8 + 16.80
= $53.90
Answer(s): (a) $5.10; (b) $53.90