Tina wanted to buy some macarons and muffins. The cost of a macaron was
34 the cost of a muffin. A set of 6 macarons and 2 muffins cost $10.40. What was the total amount Tina had to pay for 3 macarons and 7 muffins?
| |
Macarons |
Muffins |
Total |
| Number |
6 |
2 |
|
| Value |
3 u |
4 u |
|
| Total value |
18 u |
8 u |
26 u |
Total cost of macarons and muffins
= 18 u + 8 u
= 26 u
26 u = 10.4
1 u = 10.40 ÷ 26 = 0.4
Cost of 3 macarons and 7 muffins
= 3 x 3 u + 7 x 4 u
= 9 u + 28 u
= 37 u
= 37 x 0.4
= $14.80
Answer(s): $14.80
