SOLUTION: Bob went to buy a bunch of color papers. He bought a total of 435 color papers. There are 25 more red papers than brown papers. There are three times as many blue papers as brown p
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Question 342534: Bob went to buy a bunch of color papers. He bought a total of 435 color papers. There are 25 more red papers than brown papers. There are three times as many blue papers as brown papers. How many papers of each colors did he buy? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Bob went to buy a bunch of color papers. He bought a total of 435 color papers. There are 25 more red papers than brown papers. There are three times as many blue papers as brown papers. How many papers of each colors did he buy?
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Equations:
r + br + bl = 435
bl = 3br
r = br+25
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Substitute for "r" and for "bl" and solve for br.
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br+25 + br + 3br = 435
5br = 410
brown = 82 (# of brown papers)
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blue = 3*brown = 246
r = brown+25 = 107
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Cheers,
Stan H.
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