Posted by **Alex** on Tuesday, January 22, 2013 at 5:09pm.

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 -
**bobpursley**, Tuesday, January 22, 2013 at 5:13pm
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 -
**Ms. Sue**, Tuesday, January 22, 2013 at 5:15pm
a.

50 - 9z =

50 - (9 * 3) = 23

- 5th Grade Math -
**ashleigh**, Thursday, January 31, 2013 at 4:03pm
dont know don't understand

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