Main S.

asked • 04/21/15

Who Spent what?

John, Paul, George, and Ringo took Singing lessons. Paul spent a week's pay, John spent only half what Paul spent, Ringo spent $60 more than John and George spent 20% more than Ringo. Combined they spent $392. Who spent what?

1 Expert Answer

By:

Will S. answered • 04/21/15

Tutor
4.6 (5)

Math/Science Tutor and Musician

Main S.

I had almost all of my setup-equations correct except for (P/2) and (120%*R); which is why I couldn't set it up correctly. Thank you very much. 
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04/21/15

Main S.

But where does 72, 2.6 and 132 come from?
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04/21/15

Main S.

Never mind. I found it. 
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04/21/15

Will S.

Yea, the 120% comes from the fact the George spent what Ringo spent plus an additional 20%. I could have showed G = R + 20%*R = 1.2*R, but you got it. Good job!
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04/21/15

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