An Up & Go machine was installed in the Year 7&8 common room. The machine can hold 450 Up and Go’s.
If each of them cost $2.50, how much money would the machine make if they were all sold out?
2 x 400 = 800
2 x 50 = 100
800 + 100 = 900
$1 x 400 = 400
$ 1 x 50 = 50
400 + 50 = 450
450 divided by 2 = 225
225 + 900=1125
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