document.write( "Question 377499: Together, Jareds age and his grandfather age total 100 But Jared's grandfather is 70 years older than him. How old is Jared's grandfather? \n" ); document.write( "
Algebra.Com's Answer #268264 by edjones(8007)\"\" \"About 
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Let j=jared's age and g=grandad's age.
\n" ); document.write( "g+j=100
\n" ); document.write( "g-j=70
\n" ); document.write( "--------add
\n" ); document.write( "2g=170
\n" ); document.write( "g=85
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