Xuan baked apple, strawberry and blueberry cookies. There were one-quarter as many blueberry cookies as strawberry cookies and an equal number of blueberry cookies as apple cookies. The cost of each cookie is given as shown.
1 blueberry cookie: $1.90
1 strawberry cookie: $1.50
1 apple cookie: $1.50
If she collected $141 from selling all the cookies, how many strawberry cookies were there?
|
Blueberry |
Strawberry |
Apple |
Ratio of cookies |
1 u |
4 u |
1 u |
Cost of 1 cookies |
$1.90 |
$1.50 |
$1.50 |
Total Value |
1.9 u |
6 u |
1.5 u |
Blueberry cookies : Strawberry cookies : Apple cookies
1 : 4 : 1
Total amount earned from selling all the cookies
= 1.9 u + 6 u + 1.5 u
= 9.4 u
9.4 u = 141
1 u = 141 ÷ 9.4 = 15
Number of strawberry cookies
= 4 u
= 4 x 15
= 60
Answer(s): 60