document.write( "Question 368947: eight years ago, the sum of Peter's age and Carlo's age is at least 26. Peter is 4 years older than Carlo. At least how old is Carlo now ? \n" ); document.write( "
Algebra.Com's Answer #262889 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Eight years ago, the sum of Peter's age and Carlo's age is at least 26. \n" ); document.write( "Peter is 4 years older than Carlo. At least how old is Carlo now ? \n" ); document.write( "---------------- \n" ); document.write( "Equations: \n" ); document.write( "(P-8+C-8)>=26 \n" ); document.write( "P = C+4 \n" ); document.write( "----- \n" ); document.write( "Substitute and solve for \"C\": \n" ); document.write( "(C+4+C-16) >= 26 \n" ); document.write( "2C-12 >= 26 \n" ); document.write( "2C >=38 \n" ); document.write( "C >= 19 (Carlo's age now) \n" ); document.write( "=================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |