Posted by Anonymous on Thursday, April 26, 2012 at 10:26am.
she spend 60*2+41 minutes on homework: 161minutes
she spend on 43 min on math, 37 on language, and 60 min on science: total 140 min
so how much is left?
51
work:
60*2=120+41=161
43+37+30=110
161-110=51
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