Mrs Quek bought an equal number of jumpsuits and windbreakers. Each jumpsuit cost $12 and each windbreaker cost $9. Mrs Quek paid $90 for the windbreakers. What was the total amount of money spent?
| |
Jumpsuits |
Windbreakers |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$12 |
$9 |
|
| Total value |
12 u |
9 u |
21 u |
Number of jumpsuits = 1 u
Number of windbreakers = 1 u
Total cost of jumpsuits = 1 u x 12 = 12 u
Total cost of windbreakers = 1 u x 9 = 9 u
9 u = 90
1 u = 90 ÷ 9 = 10
Total cost of jumpsuits and windbreakers
= 12 u + 9 u
= 21 u
= 21 x 10
= $210
Answer(s): $210
