document.write( "Question 1024911: Carol is three times as old as John who is ten years older than Henry. The sum of their ages is 140 years. Calculate their ages. \n" ); document.write( "
Algebra.Com's Answer #640277 by Timnewman(323)![]() ![]() You can put this solution on YOUR website! let henry's age be x, \n" ); document.write( "John's age =10+x \n" ); document.write( "Carol's age=3(10+x)=30+3x \n" ); document.write( "but the sum of their ages is 140yrs, \n" ); document.write( "Then, \n" ); document.write( "x+30+3x+10+x=140 \n" ); document.write( "5x+40=140 \n" ); document.write( "5x=140-40 \n" ); document.write( "5x=100 \n" ); document.write( "x=20 \n" ); document.write( "hary's age is 20yrs \n" ); document.write( "carol's age is 30+3(20)=90yrs \n" ); document.write( "John;s age=10+20=30yrs \n" ); document.write( " |