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 509times z or = 509*z
so that is thhe change: 509z
if z=3,
change=5027=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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