Winnie baked blueberry, strawberry and durian wafers. There were half as many durian wafers as strawberry wafers and an equal number of durian wafers as blueberry wafers. The cost of each wafer is given as shown.
1 durian wafer: $1.70
1 strawberry wafer: $1.10
1 blueberry wafer: $1.10
If she collected $235 from selling all the wafers, how many strawberry wafers were there?
|
Durian |
Strawberry |
Blueberry |
Ratio of wafers |
1 u |
2 u |
1 u |
Cost of 1 wafers |
$1.70 |
$1.10 |
$1.10 |
Total Value |
1.7 u |
2.2 u |
1.1 u |
Durian wafers : Strawberry wafers : Blueberry wafers
1 : 2 : 1
Total amount earned from selling all the wafers
= 1.7 u + 2.2 u + 1.1 u
= 5 u
5 u = 235
1 u = 235 ÷ 5 = 47
Number of strawberry wafers
= 2 u
= 2 x 47
= 94
Answer(s): 94