Mrs Yang bought an equal number of jumpsuits and skirts. Each jumpsuit cost $18 and each skirt cost $5. Mrs Yang paid $15 for the skirts. What was the total amount of money spent?
| |
Jumpsuits |
Skirts |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$18 |
$5 |
|
| Total value |
18 u |
5 u |
23 u |
Number of jumpsuits = 1 u
Number of skirts = 1 u
Total cost of jumpsuits = 1 u x 18 = 18 u
Total cost of skirts = 1 u x 5 = 5 u
5 u = 15
1 u = 15 ÷ 5 = 3
Total cost of jumpsuits and skirts
= 18 u + 5 u
= 23 u
= 23 x 3
= $69
Answer(s): $69
