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

1 coffee cookie: $1.70
1 strawberry cookie: $1.50
1 durian cookie: $1.80

If she collected $200 from selling all the cookies, how many strawberry cookies were there?
3 m

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

1 coffee cookie: $1.70
1 strawberry cookie: $1.50
1 durian cookie: $1.80

If she collected $200 from selling all the cookies, how many strawberry cookies were there?