document.write( "Question 866631: David's age this year is a multiple of 5. Next year David's age will be a multiple of 7. How old is David now? \n" ); document.write( "
Algebra.Com's Answer #522393 by stanbon(75887)\"\" \"About 
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David's age this year is a multiple of 5. Next year David's age will be a multiple of 7. How old is David now?
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\n" ); document.write( "David's age now:: 5k
\n" ); document.write( "Next year his age is; 5k+1 = 7m
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\n" ); document.write( "Find an integer solution for \"k\" and for \"m\"::
\n" ); document.write( "Sequence of 5k+1:: 6,11,16,21
\n" ); document.write( "Sequence of 7m:::: 7,14,21
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\n" ); document.write( "Equation:
\n" ); document.write( "5k+1 = 21
\n" ); document.write( "5k = 20
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\n" ); document.write( "David is 20 now.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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