# 5th Grade Math

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Glenda bought z containers of laundry detergent at \$9 each.
She gave the cashier \$50.

a. Find the change Glenda received in terms of z.

b. If z = 3, how much change did Glenda receive?

• 5th Grade Math -

well 50-9times z or = 50-9*z
so that is thhe change: 50-9z
if z=3,
change=50-27=23 dollars

• 5th Grade Math -

a.
50 - 9z =

50 - (9 * 3) = 23

• 5th Grade Math -

dont know don't understand

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