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3 years ago

6

one month ruby worked 6 hours more than Isaac and Svetlana worked 4 times as many hours as ruby together they worked 126.find th

e number of hours each person worked?

2 answers:

12345 [234]3 years ago

8 0

Use x as the base variable. All others as x+(extra amount).

Inessa05 [86]3 years ago

4 0

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

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