document.write( "Question 161602: 1. Mark is 6 yrs older than Jake. In ten years, the sum of there ages will be 50.
\n" ); document.write( " Find their present ages. \n" ); document.write( "
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Mark is 6 yrs older than Jake. In ten years, the sum of there ages will be 50.
\n" ); document.write( "Find their present ages.
\n" ); document.write( "--------------------------
\n" ); document.write( "M = J + 6 (Mark is 6 yrs older than Jake)
\n" ); document.write( "In 10 years,
\n" ); document.write( "(M+10) + (J+10) = 50
\n" ); document.write( "Sub J+6 for M
\n" ); document.write( "(J+6 + 10) + (J+10) = 50
\n" ); document.write( "2J + 26 = 50
\n" ); document.write( "2J = 24
\n" ); document.write( "J = 12
\n" ); document.write( "M = 18\r
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