Question
In a book shop, a box of pencils costs four times as much as a guidebook. Mrs Leng spent 13 of her money to buy 7 boxes of pencils. She then spent 57 of her remaining money to buy some guidebooks and had $27.20 left. How much does each guidebook cost?
4 m

Click button first when a symbol is required. X

In a book shop, a box of pencils costs four times as much as a guidebook. Mrs Leng spent 13 of her money to buy 7 boxes of pencils. She then spent 57 of her remaining money to buy some guidebooks and had $27.20 left. How much does each guidebook cost?