Jaslyn wanted to buy some macarons and wafers. The cost of a macaron was
14 the cost of a wafer. A set of 5 macarons and 2 wafers cost $9.10. What was the total amount Jaslyn had to pay for 4 macarons and 10 wafers?
| |
Macarons |
Wafers |
Total |
| Number |
5 |
2 |
|
| Value |
1 u |
4 u |
|
| Total value |
5 u |
8 u |
13 u |
Total cost of macarons and wafers
= 5 u + 8 u
= 13 u
13 u = 9.1
1 u = 9.10 ÷ 13 = 0.7
Cost of 4 macarons and 10 wafers
= 4 x 1 u + 10 x 4 u
= 4 u + 40 u
= 44 u
= 44 x 0.7
= $30.80
Answer(s): $30.80
