Gem baked banana, coffee and blueberry cookies. There were one-quarter as many blueberry cookies as coffee cookies and an equal number of blueberry cookies as banana cookies. The cost of each cookie is given as shown.
1 blueberry cookie: $1.10
1 coffee cookie: $1.30
1 banana cookie: $1.20
If she collected $150 from selling all the cookies, how many coffee cookies were there?
|
Blueberry |
Coffee |
Banana |
Ratio of cookies |
1 u |
4 u |
1 u |
Cost of 1 cookies |
$1.10 |
$1.30 |
$1.20 |
Total Value |
1.1 u |
5.2 u |
1.2 u |
Blueberry cookies : Coffee cookies : Banana cookies
1 : 4 : 1
Total amount earned from selling all the cookies
= 1.1 u + 5.2 u + 1.2 u
= 7.5 u
7.5 u = 150
1 u = 150 ÷ 7.5 = 20
Number of coffee cookies
= 4 u
= 4 x 20
= 80
Answer(s): 80