Mrs Chew bought an equal number of jackets and skirts. Each jacket cost $20 and each skirt cost $7. Mrs Chew paid $42 for the skirts. What was the total amount of money spent?
| |
Jackets |
Skirts |
Total |
| Number |
1 u |
1 u |
2 u |
| Value |
$20 |
$7 |
|
| Total value |
20 u |
7 u |
27 u |
Number of jackets = 1 u
Number of skirts = 1 u
Total cost of jackets = 1 u x 20 = 20 u
Total cost of skirts = 1 u x 7 = 7 u
7 u = 42
1 u = 42 ÷ 7 = 6
Total cost of jackets and skirts
= 20 u + 7 u
= 27 u
= 27 x 6
= $162
Answer(s): $162
