Question
In a book shop, a box of pencils costs four times as much as a folder. Mrs Chiam spent 13 of her money to buy 7 boxes of pencils. She then spent 37 of her remaining money to buy some folders and had $38.40 left. How much does each folder cost?
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In a book shop, a box of pencils costs four times as much as a folder. Mrs Chiam spent 13 of her money to buy 7 boxes of pencils. She then spent 37 of her remaining money to buy some folders and had $38.40 left. How much does each folder cost?