Question
A box of biscuits cost $15 while a box of cookies cost $15. Each box contained either 5 biscuits or 4 cookies. Zara bought the same number of biscuits and cookies. She paid $45 more for the cookies. How many boxes of biscuits did she buy?
4 m

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A box of biscuits cost $15 while a box of cookies cost $15. Each box contained either 5 biscuits or 4 cookies. Zara bought the same number of biscuits and cookies. She paid $45 more for the cookies. How many boxes of biscuits did she buy?