document.write( "Question 1176746: Maria is 4 times older than his son. After 3 years the sum of their ages will be 38.calculate their presents ages. \n" ); document.write( "
Algebra.Com's Answer #804185 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! I don't think this will have an integer solution, anyway here is a method \n" ); document.write( ": \n" ); document.write( " Maria is 4 times older than her son. \n" ); document.write( "m = 4s \n" ); document.write( " After 3 years the sum of their ages will be 38. \n" ); document.write( "(m+3) + (s+3) = 38 \n" ); document.write( "m + s + 6 = 38 \n" ); document.write( "m + s = 38 - 6 \n" ); document.write( "m + s = 32 \n" ); document.write( "calculate their presents ages. \n" ); document.write( "replace m with 4s \n" ); document.write( "4s + s = 32 \n" ); document.write( "5s = 32 \n" ); document.write( "s = 32/5 \n" ); document.write( "s = 6.4 yrs old is the son \n" ); document.write( "then \n" ); document.write( "m = 4(6.4) = 25.6 yrs is Maria \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check in the statement \n" ); document.write( "\"After 3 years the sum of their ages will be 38.\" \n" ); document.write( "25.6 + 3 + 6.4 + 3 = 38 \n" ); document.write( " |