Fanny baked banana, apple and cheese cookies. There were one-fifth as many cheese cookies as apple cookies and an equal number of cheese cookies as banana cookies. The cost of each cookie is given as shown.
1 cheese cookie: $1.40
1 apple cookie: $1.90
1 banana cookie: $1.60
If she collected $225 from selling all the cookies, how many apple cookies were there?
|
Cheese |
Apple |
Banana |
Ratio of cookies |
1 u |
5 u |
1 u |
Cost of 1 cookies |
$1.40 |
$1.90 |
$1.60 |
Total Value |
1.4 u |
9.5 u |
1.6 u |
Cheese cookies : Apple cookies : Banana cookies
1 : 5 : 1
Total amount earned from selling all the cookies
= 1.4 u + 9.5 u + 1.6 u
= 12.5 u
12.5 u = 225
1 u = 225 ÷ 12.5 = 18
Number of apple cookies
= 5 u
= 5 x 18
= 90
Answer(s): 90