Risa baked strawberry, cream and pandan cookies. There were one-fifth as many pandan cookies as cream cookies and an equal number of pandan cookies as strawberry cookies. The cost of each cookie is given as shown.
1 pandan cookie: $1.60
1 cream cookie: $1.40
1 strawberry cookie: $1.40
If she collected $270 from selling all the cookies, how many cream cookies were there?
|
Pandan |
Cream |
Strawberry |
Ratio of cookies |
1 u |
5 u |
1 u |
Cost of 1 cookies |
$1.60 |
$1.40 |
$1.40 |
Total Value |
1.6 u |
7 u |
1.4 u |
Pandan cookies : Cream cookies : Strawberry cookies
1 : 5 : 1
Total amount earned from selling all the cookies
= 1.6 u + 7 u + 1.4 u
= 10 u
10 u = 270
1 u = 270 ÷ 10 = 27
Number of cream cookies
= 5 u
= 5 x 27
= 135
Answer(s): 135