TheGreyUnknown
TheGreyUnknown TheGreyUnknown
  • 21-08-2016
  • Mathematics
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Anybody know the answer??

Anybody know the answer class=
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MonsieurPengu
MonsieurPengu MonsieurPengu
  • 21-08-2016
The first one. 1 machine= x 5 mach.=5x. Total time is thus 5x+2/3=1 3/4h. Simply find x by doing 105min-40min/5 and that is 13.
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