The table shows the parking fees at a car park.
| Time |
Charges |
| First 1 hour or less |
$1.60 |
| Every additional 30 minutes or part thereof |
$0.80 |
| Overnight parking from 10 p.m. to 6:30 a.m. |
$5 |
- Owen parked his car at the carpark at 8.00 a.m. for 1 hour and 27 minutes. How much did he have to pay?
- Risa parked her car at the car park from 6:25 p.m. on Monday to 11 a.m. on Tuesday. Find the amount of parking fee that she had to pay.
(a)
Amount that Owen had to pay for 1 hour and 27 minutes
= 1.60 + 0.80
= $2.40
(b)
1 h = 60 min
From 6:25 p.m. to 7:25 p.m.:
1 h
Amount that Risa had to pay from 6:25 p.m. to 7:25 p.m = $1.60
From 7:25 p.m. to 10:00 p.m.: 2 h 35 min
2 h 35 min = 2 x 60 + 35 = 155 min
Number of sets of additional 30 minutes in 2 h 35 min
= 155 ÷ 30
= 5 r 5
Number of sets of additional 30 minutes that Risa had to pay for
= 5 + 1
= 6
Amount that Risa had to pay for all the additional 30 minutes or part thereof for 2 h 35 min
= 6 x 0.80
= $4.80
From 10:00 p.m. to 6.30. a.m.
Amount that Risa had to pay from 10:00 to 6.30 a.m. = $5
From 6.30 a.m. to 11 a.m.: 4 h 30 min
4 h 30 min = 4 x 60 + 30 = 270 min
Number of sets of additional 30 minutes in 4 h 30 min
= 270 ÷ 30
= 9
Amount that Risa had to pay for all the additional 30 minutes or part thereof for 4 h 30 min
= 9 x 0.80
= $7.20
Total amount that Risa had to pay
= 1.60 + 4.80 + 5 + 7.20
= $18.60
Answer(s): (a) $2.40; (b) $18.60
