Question
In a stationery shop, a box of markers costs thrice as much as a colouring book. Mrs Gan spent 18 of her money to buy 3 boxes of markers. She then spent 59 of her remaining money to buy some colouring books and had $78.40 left. How much does each colouring book cost?
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In a stationery shop, a box of markers costs thrice as much as a colouring book. Mrs Gan spent 18 of her money to buy 3 boxes of markers. She then spent 59 of her remaining money to buy some colouring books and had $78.40 left. How much does each colouring book cost?