SOLUTION: Isabel and marnie volunteer at a day care center isabel works 3 hours for every 2 hours marine works if the two girls together work 20 hours how one month how many does isabel work

Question 1015635: Isabel and marnie volunteer at a day care center isabel works 3 hours for every 2 hours marine works if the two girls together work 20 hours how one month how many does isabel work
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Isabel and marnie volunteer at a day care center isabel works 3 hours for every 2 hours marine works if the two girls together work 20 hours how one month how many does isabel work
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3:2 is the same as 3x:2x where 3x is isabel's hours and 2x is marine's hours.
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Equation:
3x + 2x = 20
5x = 20
x = 4
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Ans: isabel works 3x = 3*4 = 12 hours
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Cheers,
Stan H.
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