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One month ruby worked six hours more than Isaac and svetlana worked four times as much hours as ruby together they worked 126 hours find the number of hours each person work
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One month ruby worked six hours more than Isaac and svetlana worked four times as much hours as ruby together they worked 126 hours find the number of hours each person work

User Eugene H
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1 Answer

2 votes
R=I+6 S=4R I

I+(I+6)+4(I+6)=126

Basic algebra (I dont know how to show it) leaves you with: 6I = 90, divide both sides by 6 and I=15
User Jgriego
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