SOLUTION: Bob reads 1 book every week.Kisha reads 3 books every week.So far, Bob has read 5 books and Kisha has read 3 books.If they keep reading books at the same rate, how many weeks befor

Question 441265: Bob reads 1 book every week.Kisha reads 3 books every week.So far, Bob has read 5 books and Kisha has read 3 books.If they keep reading books at the same rate, how many weeks before kisha read exactly twice as many books as Bob?Explain how you got your anwser.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Bob reads 1 book every week.Kisha reads 3 books every week.So far, Bob has read 5 books and Kisha has read 3 books.If they keep reading books at the same rate, how many weeks before kisha read exactly twice as many books as Bob?Explain how you got your anwser.
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# of books Bob has read after x weeks: 5+1x
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# of books Kisha has read after x weeks: 3 + 3x
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Solve: Kisha = 2(Rob)
3+3x = 2(5+x)
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3 + 3x = 10 + 2x
x = 7 weeks
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Cheers,
Stan H.
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