Arianna purchased 6 bottles of her favorite shampoo that cost $8.75. Select the equation that show the change in their bank account after debiting this purchase.
we have that
the change in their bank account after debiting this purchase is equal to
-6x(+8.75)
Multiply the number of bottles by the cost of one bottle and subtract this result from the amount in the bank account
so
answer is the last option