human
John pays for a candy bar with 4 quarters, 3 dimes, and a nickel. He got 4 cents back in change. How many cents did the candy bar cost?
assistant
How many cents did the quarters cost? ** The quarters came to 4*25=<<4*25=100>>100 cents
How many cents did the dimes cost? ** The dimes were worth 3*10=<<3*10=30>>30 cents
How many cents did the nickel cost? ** The nickel was 5*1=<<5*1=5>>5 cents
How many cents did the candy bar cost? ** So he paid 100+30+5=<<100+30+5=135>>135 cents
How many cents did the candy bar cost? ** Since he got 4 cents as change it cost 135-4=<<135-4=131>>131 cents
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