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

1 mocca cookie: $1.60
1 durian cookie: $1.60
1 strawberry cookie: $1.60

If she collected $168 from selling all the cookies, how many durian cookies were there?
3 m

Click button first when a symbol is required. X

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

1 mocca cookie: $1.60
1 durian cookie: $1.60
1 strawberry cookie: $1.60

If she collected $168 from selling all the cookies, how many durian cookies were there?