Hazel wanted to buy some cookies and macarons. The cost of a cookie was
35 the cost of a macaron. A set of 4 cookies and 2 macarons cost $8.80. What was the total amount Hazel had to pay for 6 cookies and 10 macarons?
| |
Cookies |
Macarons |
Total |
| Number |
4 |
2 |
|
| Value |
3 u |
5 u |
|
| Total value |
12 u |
10 u |
22 u |
Total cost of cookies and macarons
= 12 u + 10 u
= 22 u
22 u = 8.8
1 u = 8.80 ÷ 22 = 0.4
Cost of 6 cookies and 10 macarons
= 6 x 3 u + 10 x 5 u
= 18 u + 50 u
= 68 u
= 68 x 0.4
= $27.20
Answer(s): $27.20
