Question
Carl has some money to buy some notebooks. He will have $4 if he buys 7 notebooks. However, he will need $4 more if he wants to buy 11 notebooks. How much money does each notebook cost?
4 m

Click button first when a symbol is required. X

Carl has some money to buy some notebooks. He will have $4 if he buys 7 notebooks. However, he will need $4 more if he wants to buy 11 notebooks. How much money does each notebook cost?