Anna baked cheese, cream and strawberry cookies. There were one-quarter as many strawberry cookies as cream cookies and an equal number of strawberry cookies as cheese cookies. The cost of each cookie is given as shown.
1 strawberry cookie: $1.70
1 cream cookie: $1.70
1 cheese cookie: $1.10
If she collected $192 from selling all the cookies, how many cream cookies were there?
|
Strawberry |
Cream |
Cheese |
Ratio of cookies |
1 u |
4 u |
1 u |
Cost of 1 cookies |
$1.70 |
$1.70 |
$1.10 |
Total Value |
1.7 u |
6.8 u |
1.1 u |
Strawberry cookies : Cream cookies : Cheese cookies
1 : 4 : 1
Total amount earned from selling all the cookies
= 1.7 u + 6.8 u + 1.1 u
= 9.6 u
9.6 u = 192
1 u = 192 ÷ 9.6 = 20
Number of cream cookies
= 4 u
= 4 x 20
= 80
Answer(s): 80