Question
Esther baked durian, mocca and banana biscuits. There were one-quarter as many banana biscuits as mocca biscuits and an equal number of banana biscuits as durian biscuits. The cost of each biscuit is given as shown.

1 banana biscuit: $1.70
1 mocca biscuit: $1.50
1 durian biscuit: $1.30

If she collected $189 from selling all the biscuits, how many mocca biscuits were there?
3 m

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Esther baked durian, mocca and banana biscuits. There were one-quarter as many banana biscuits as mocca biscuits and an equal number of banana biscuits as durian biscuits. The cost of each biscuit is given as shown.

1 banana biscuit: $1.70
1 mocca biscuit: $1.50
1 durian biscuit: $1.30

If she collected $189 from selling all the biscuits, how many mocca biscuits were there?