Question

Emma borrowed a quarter from her mother every time she went to the grocery store so that she could buy a gumball from the gumball machine. Over the summer, Emma went to the grocery store with her mom eight times. Write a rational number expression to determine the dollar amount change in her mother’s money due to the purchase of gumballs?

Answer 1

2 dollars.

Explanation:

She went 8 times. It costs 1 quarter.

4 quarters = 1 dollar, so 8 quarters = 2 dollars.

*Hope this helps*