Dan spent $32 buying a new backpack, 1 pack of pens, 1 pack of pencils and 5 multi-subject notebooks for school.  If the backpack costs $15 and both the pens and pencils cost $1.00 each, how much did each notebook cost?
The pens and pencils were $1.00 each so 2*1 = $<<2*1=2.00>>2.00
The back pack cost $15 and the pens/pencils cost $2.00 so 15+2 = $<<15+2=17.00>>17.00
His total spent was $32 and he has already spend $17 so 32-17 = $<<32-17=15.00>>15.00
That means he has $15 left to spend on 5 notebooks so the cost would be 15/5 = $<<15/5=3.00>>3.00 each
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