ijckxixnxix ijckxixnxix
  • 19-08-2017
  • Mathematics
contestada

one month ruby worked 6 hours more than Isaac and Svetlana worked 4 times as many hours as ruby together they worked 126.find the number of hours each person worked?

Respuesta :

Sequence001 Sequence001
  • 19-08-2017
Use x as the base variable. All others as x+(extra amount).
Ver imagen Sequence001
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jbmow
jbmow jbmow
  • 19-08-2017
R=I+16
S=4R
I+R+S=126
I+I+6+4I+24=126
6I+30=126
4I=96
I=16
R=22
S=88
Answer Link

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