Fanny baked mocca, cheese and strawberry wafers. There were one-fifth as many strawberry wafers as cheese wafers and an equal number of strawberry wafers as mocca wafers. The cost of each wafer is given as shown.
1 strawberry wafer: $1.10
1 cheese wafer: $1.40
1 mocca wafer: $1.10
If she collected $230 from selling all the wafers, how many cheese wafers were there?
|
Strawberry |
Cheese |
Mocca |
Ratio of wafers |
1 u |
5 u |
1 u |
Cost of 1 wafers |
$1.10 |
$1.40 |
$1.10 |
Total Value |
1.1 u |
7 u |
1.1 u |
Strawberry wafers : Cheese wafers : Mocca wafers
1 : 5 : 1
Total amount earned from selling all the wafers
= 1.1 u + 7 u + 1.1 u
= 9.2 u
9.2 u = 230
1 u = 230 ÷ 9.2 = 25
Number of cheese wafers
= 5 u
= 5 x 25
= 125
Answer(s): 125