Gem baked coffee, durian and cream macarons. There were one-quarter as many cream macarons as durian macarons and an equal number of cream macarons as coffee macarons. The cost of each macaron is given as shown.
1 cream macaron: $1.90
1 durian macaron: $1.20
1 coffee macaron: $1.30
If she collected $280 from selling all the macarons, how many durian macarons were there?
|
Cream |
Durian |
Coffee |
Ratio of macarons |
1 u |
4 u |
1 u |
Cost of 1 macarons |
$1.90 |
$1.20 |
$1.30 |
Total Value |
1.9 u |
4.8 u |
1.3 u |
Cream macarons : Durian macarons : Coffee macarons
1 : 4 : 1
Total amount earned from selling all the macarons
= 1.9 u + 4.8 u + 1.3 u
= 8 u
8 u = 280
1 u = 280 ÷ 8 = 35
Number of durian macarons
= 4 u
= 4 x 35
= 140
Answer(s): 140