Question
In a bookstore, a box of pens costs twice as much as a colouring book. Mrs Sher spent 13 of her money to buy 7 boxes of pens. She then spent 57 of her remaining money to buy some colouring books and had $30.40 left. How much does each colouring book cost?
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In a bookstore, a box of pens costs twice as much as a colouring book. Mrs Sher spent 13 of her money to buy 7 boxes of pens. She then spent 57 of her remaining money to buy some colouring books and had $30.40 left. How much does each colouring book cost?