Jean baked banana, blueberry and coffee wafers. There were half as many coffee wafers as blueberry wafers and an equal number of coffee wafers as banana wafers. The cost of each wafer is given as shown.
1 coffee wafer: $1.30
1 blueberry wafer: $1.40
1 banana wafer: $1.40
If she collected $297 from selling all the wafers, how many blueberry wafers were there?
|
Coffee |
Blueberry |
Banana |
Ratio of wafers |
1 u |
2 u |
1 u |
Cost of 1 wafers |
$1.30 |
$1.40 |
$1.40 |
Total Value |
1.3 u |
2.8 u |
1.4 u |
Coffee wafers : Blueberry wafers : Banana wafers
1 : 2 : 1
Total amount earned from selling all the wafers
= 1.3 u + 2.8 u + 1.4 u
= 5.5 u
5.5 u = 297
1 u = 297 ÷ 5.5 = 54
Number of blueberry wafers
= 2 u
= 2 x 54
= 108
Answer(s): 108