Vanessa baked durian, coffee and apple cupcakes. There were half as many apple cupcakes as coffee cupcakes and an equal number of apple cupcakes as durian cupcakes. The cost of each cupcake is given as shown.
1 apple cupcake: $1.40
1 coffee cupcake: $1.20
1 durian cupcake: $1.40
If she collected $260 from selling all the cupcakes, how many coffee cupcakes were there?
|
Apple |
Coffee |
Durian |
Ratio of cupcakes |
1 u |
2 u |
1 u |
Cost of 1 cupcakes |
$1.40 |
$1.20 |
$1.40 |
Total Value |
1.4 u |
2.4 u |
1.4 u |
Apple cupcakes : Coffee cupcakes : Durian cupcakes
1 : 2 : 1
Total amount earned from selling all the cupcakes
= 1.4 u + 2.4 u + 1.4 u
= 5.2 u
5.2 u = 260
1 u = 260 ÷ 5.2 = 50
Number of coffee cupcakes
= 2 u
= 2 x 50
= 100
Answer(s): 100