document.write( "Question 1086491: The average age of 5 members of a family is 21.if the age of grandfather is included, average age is increased by 8 years.age of grandfather is \n" ); document.write( "
Algebra.Com's Answer #700693 by PR1375(2)![]() ![]() ![]() You can put this solution on YOUR website! Avg age of 5 Members is 21, so total age is 21×5=105 \n" ); document.write( "If the GF age included avg Age increased by 8 So, \n" ); document.write( "(21+ 8) ×(5+1) \n" ); document.write( "=29×6 =174 \n" ); document.write( "Now subtract the new Total age from old, 174-105=69 \n" ); document.write( "age of the grandfather is 69 \n" ); document.write( " |