Question
mary had 150 buttons more than gary at first. after mary used 190 buttons gary now has twice as many buttons as mary. find the number of buttons mary had at first.
Answers
m - 150 = g
m - 190 = g/2
m - 190 = (m-150)/2
Solve for m.
m - 190 = g/2
m - 190 = (m-150)/2
Solve for m.
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