Roshel baked cheese, mocca and banana wafers. There were one-third as many banana wafers as mocca wafers and an equal number of banana wafers as cheese wafers. The cost of each wafer is given as shown.
1 banana wafer: $1.10
1 mocca wafer: $1.70
1 cheese wafer: $1.80
If she collected $160 from selling all the wafers, how many mocca wafers were there?
|
Banana |
Mocca |
Cheese |
Ratio of wafers |
1 u |
3 u |
1 u |
Cost of 1 wafers |
$1.10 |
$1.70 |
$1.80 |
Total Value |
1.1 u |
5.1 u |
1.8 u |
Banana wafers : Mocca wafers : Cheese wafers
1 : 3 : 1
Total amount earned from selling all the wafers
= 1.1 u + 5.1 u + 1.8 u
= 8 u
8 u = 160
1 u = 160 ÷ 8 = 20
Number of mocca wafers
= 3 u
= 3 x 20
= 60
Answer(s): 60