Mary baked coffee, cream and strawberry macarons. There were one-quarter as many strawberry macarons as cream macarons and an equal number of strawberry macarons as coffee macarons. The cost of each macaron is given as shown.
1 strawberry macaron: $1.20
1 cream macaron: $1.60
1 coffee macaron: $1.70
If she collected $279 from selling all the macarons, how many cream macarons were there?
|
Strawberry |
Cream |
Coffee |
Ratio of macarons |
1 u |
4 u |
1 u |
Cost of 1 macarons |
$1.20 |
$1.60 |
$1.70 |
Total Value |
1.2 u |
6.4 u |
1.7 u |
Strawberry macarons : Cream macarons : Coffee macarons
1 : 4 : 1
Total amount earned from selling all the macarons
= 1.2 u + 6.4 u + 1.7 u
= 9.3 u
9.3 u = 279
1 u = 279 ÷ 9.3 = 30
Number of cream macarons
= 4 u
= 4 x 30
= 120
Answer(s): 120