document.write( "Question 511349: The ages of Ashley and Mary are in the ratio 4:7. The sum of their ages is 22. Find the ages of Ashley and Mary. \n" ); document.write( "
Algebra.Com's Answer #342174 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Present age of Ashley =a \n" ); document.write( "Present age of Mary =m\r \n" ); document.write( "\n" ); document.write( "The ages of Ashley and Mary are in the ratio 4:7. \n" ); document.write( "a:m=4:7 \n" ); document.write( "a/m=4/7 \n" ); document.write( "a=4m/7…………………….(1) \n" ); document.write( "The sum of their ages is 22 \n" ); document.write( "a+m=22 \n" ); document.write( "a=22-m……………(2) \n" ); document.write( "Put the value of a from (1) to (2) \n" ); document.write( "a=22-m \n" ); document.write( "4m/7=22-m \n" ); document.write( "4m=7*(22-m) \n" ); document.write( "4m=154-7m \n" ); document.write( "4m+7m=154 \n" ); document.write( "11m=154 \n" ); document.write( "m=154/11 \n" ); document.write( "m=14 \n" ); document.write( "Put the value of m in (2) \n" ); document.write( "a=22-m……………(2) \n" ); document.write( "a=22-14 \n" ); document.write( "a=8 \n" ); document.write( "Present age of Ashley =a=8 \n" ); document.write( "Present age of Mary =m=14 \n" ); document.write( "Check \n" ); document.write( "The ages of Ashley and Mary are in the ratio 4:7. \n" ); document.write( "a:m=4:7 \n" ); document.write( "8:14=4:7 \n" ); document.write( "4:7=4:7 \n" ); document.write( "The sum of their ages is 22 \n" ); document.write( "a+m=22 \n" ); document.write( "8+14=22 \n" ); document.write( "22=22 \n" ); document.write( " \n" ); document.write( " |