Pilar used six reusable shopping bags on a recent purchase she made at a grocery store. each bag decreased the amount she spent by 15 cents. what was the change to the amount pilar spent at the grocery store by using the reusable bags?

If there were six bags used and each bag decreased her total by 15 cents, the total amount Pilar decreased her purchase by was 6*15 = 90 cents.

-90 cents

Step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square