Roshel baked mocca, blueberry and cheese wafers. There were half as many cheese wafers as blueberry wafers and an equal number of cheese wafers as mocca wafers. The cost of each wafer is given as shown.
1 cheese wafer: $1.10
1 blueberry wafer: $1.50
1 mocca wafer: $1.40
If she collected $165 from selling all the wafers, how many blueberry wafers were there?
|
Cheese |
Blueberry |
Mocca |
Ratio of wafers |
1 u |
2 u |
1 u |
Cost of 1 wafers |
$1.10 |
$1.50 |
$1.40 |
Total Value |
1.1 u |
3 u |
1.4 u |
Cheese wafers : Blueberry wafers : Mocca wafers
1 : 2 : 1
Total amount earned from selling all the wafers
= 1.1 u + 3 u + 1.4 u
= 5.5 u
5.5 u = 165
1 u = 165 ÷ 5.5 = 30
Number of blueberry wafers
= 2 u
= 2 x 30
= 60
Answer(s): 60