Joelle baked blueberry, banana and coffee tarts. There were one-fifth as many coffee tarts as banana tarts and an equal number of coffee tarts as blueberry tarts. The cost of each tart is given as shown.
1 coffee tart: $1.20
1 banana tart: $1.40
1 blueberry tart: $1.20
If she collected $282 from selling all the tarts, how many banana tarts were there?
|
Coffee |
Banana |
Blueberry |
Ratio of tarts |
1 u |
5 u |
1 u |
Cost of 1 tarts |
$1.20 |
$1.40 |
$1.20 |
Total Value |
1.2 u |
7 u |
1.2 u |
Coffee tarts : Banana tarts : Blueberry tarts
1 : 5 : 1
Total amount earned from selling all the tarts
= 1.2 u + 7 u + 1.2 u
= 9.4 u
9.4 u = 282
1 u = 282 ÷ 9.4 = 30
Number of banana tarts
= 5 u
= 5 x 30
= 150
Answer(s): 150