Asked by Anonymous

Each week I save half my pocket money and I buy stamps for my collection with 1/3 of the pocket money. That leaves $3.21. How much do I spend on stamps?
Answered by Joe
x - .33x - .50x =3.21
x = 3.21/1.83
x = pocket money
Answered by bobpursley
PM -PM*1/2 -1/3 *PM=3.21
multiply both sides by 6
6PM-3PM-2PM=3.21*6
PM= 18.26

check that.
Answered by bobpursley
Joe. You erred above

x - .33x - .50x =3.21
x -.83x= 3.21
x=3.21/.17
x = pocket money
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