a (a) Khairul pays $6 for parking his car in a shopping centre for 2.5 hours. Calculate (i) the parking charges per minute, (ii) the amount that he will have to pay if he parks his car in the shopping centre for hours.

(i) $0.04, (ii) $2.4

Step-by-step explanation:

(i)

2.5 hours = 150 minutes

150 minutes -->$6

1 minutes --> $(6/150)

1 minutes --> $0.04

(ii)

for 1 hour he has to pay, $0.04 * 60 = $2.4

equation = for ?hours as not informed, $2.4 * hours parked in the centre.

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3