Question
In a stationery kiosk, a box of pencils costs twice as much as a colouring book. Mrs Chen spent 13 of her money to buy 6 boxes of pencils. She then spent 59 of her remaining money to buy some colouring books and had $28.80 left. How much does each colouring book cost?
4 m

Click button first when a symbol is required. X

In a stationery kiosk, a box of pencils costs twice as much as a colouring book. Mrs Chen spent 13 of her money to buy 6 boxes of pencils. She then spent 59 of her remaining money to buy some colouring books and had $28.80 left. How much does each colouring book cost?