document.write( "Question 1149782: If twice Betty s age in years plus Joe s age in years equals seven, how old are Betty and Joe? \n" ); document.write( "

Algebra.Com's Answer #771120 by ikleyn(52803) $\"\"$ $\"About$

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document.write( "2*(B+y) + (J+y) = 7\r\n" );
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document.write( "2B + 2y + J + y = 7\r\n" );
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document.write( "2B + J + 3y = 7\r\n" );
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document.write( "The only reasonable solution in integer positive numbers is\r\n" );
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document.write( "    B = 1,  J = 2 years.    (y=1)   ANSWER\r\n" );
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