document.write( "Question 1138158: The sum of the ages of Roberto and Guadalupe is 88 years. 6 years ago, Roberto's age was 3 times Guadalupe's age. How old is Roberto now? \n" ); document.write( "

Algebra.Com's Answer #756019 by VFBundy(438) $\"\"$ $\"About$

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Roberto's age now = x
\n" ); document.write( "Guadalupe's age now = 88 - x
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\n" ); document.write( "\"6 years ago, Roberto's age was 3 times Guadalupe's age\":
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\n" ); document.write( "x - 6 = 3(88 - x - 6)
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\n" ); document.write( "x - 6 = 3(82 - x)
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\n" ); document.write( "x - 6 = 246 - 3x
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\n" ); document.write( "4x = 252
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\n" ); document.write( "x = 63
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\n" ); document.write( "Roberto's age now = x = 63
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\n" ); document.write( "Double-check:
\n" ); document.write( "Roberto's age now = x = 63
\n" ); document.write( "Guadalupe's age now = 88 - x = 25
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\n" ); document.write( "\"The sum of the ages of Roberto and Guadalupe is 88 years\":
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\n" ); document.write( "63 + 25 = 88
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\n" ); document.write( "\"6 years ago, Roberto's age was 3 times Guadalupe's age\":
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\n" ); document.write( "63 - 6 = 3(25 - 6)
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\n" ); document.write( "57 = 3(19)
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