Question
In a store, a box of pencils costs four times as much as a manual. Mrs Chiam spent 15 of her money to buy 6 boxes of pencils. She then spent 59 of her remaining money to buy some manuals and had $76.80 left. How much does each manual cost?
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In a store, a box of pencils costs four times as much as a manual. Mrs Chiam spent 15 of her money to buy 6 boxes of pencils. She then spent 59 of her remaining money to buy some manuals and had $76.80 left. How much does each manual cost?