Question
Penelope baked strawberry, coffee and cheese cookies. There were one-fifth as many cheese cookies as coffee cookies and an equal number of cheese cookies as strawberry cookies. The cost of each cookie is given as shown.

1 cheese cookie: $1.90
1 coffee cookie: $1.50
1 strawberry cookie: $1.60

If she collected $143 from selling all the cookies, how many coffee cookies were there?
3 m

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Penelope baked strawberry, coffee and cheese cookies. There were one-fifth as many cheese cookies as coffee cookies and an equal number of cheese cookies as strawberry cookies. The cost of each cookie is given as shown.

1 cheese cookie: $1.90
1 coffee cookie: $1.50
1 strawberry cookie: $1.60

If she collected $143 from selling all the cookies, how many coffee cookies were there?