Pilar used four reusable shopping bags on a recent purchase she made at a grocery store. Each bag decreased the amount she spent by 5 cents. What was the change to the amount Pilar spent at the grocery store by using the reusable bags?

20 cents

-9 cents

-20 cents

9 cents

Question

Pilar used four reusable shopping bags on a recent purchase she made at a grocery store. Each bag decreased the amount she spent by 5 cents. What was the change to the amount Pilar spent at the grocery store by using the reusable bags?






20 cents





-9 cents





-20 cents





9 cents

mathstudent55 · Answer

1 bag reduces 1 * 5 cents = 5 cents
2 bags reduce 2 * 5 cents = 10 cents
3 bags reduce 3 * 5 cents = 15 cents
can you continue?