SOLUTION: The ages of a mother and a daughter are 31 years and 7 years respectively. In how many years will the mother�s age be 3/2 times that of daughter?

Question 481392: The ages of a mother and a daughter are 31 years and 7 years respectively. In how
many years will the mother�s age be 3/2 times that of daughter?
Answer by Maths68(1474) (Show Source): You can put this solution on YOUR website!
Mother�s age=m=31
Daughter�s age=d=7
after y years mother and daughter will be
m+y= d+y
and the mother�s age be 3/2 times of daughter
(m+y)= (3/2) (d+y)
(m+y)= 3 (d+y)/2
2(m+y)=3(d+y)
2m+2y=3d+3y
2m-3d=3y-2y
y=2m-3d
y=2(31)-3(7)
y=62-21
y=41
In 41 years
RELATED QUESTIONS
May i please Know the steps to solve a question such as:- The ages of a mother and... (answered by ankor@dixie-net.com)

1. The sum of the ages of a mother and a daughter is 50yrs. Five years ago, the mother�s (answered by algebrahouse.com)

the ages of the mother and her daughter are 45 and 5 respectively. in how many years will (answered by ankor@dixie-net.com)

A mother and her daughter are 40 and 14 years old respectively. In how many years will... (answered by josmiceli)

The sum of the ages of a daughter and mother is 56 years; after four years the age of the (answered by greenestamps)

need answer for the below question he sun of the ages of a mother and a daughter is 50... (answered by Cromlix,rothauserc)

The ratio of the ages of a mother and daughter is 5 : 1 The mother is 30 years old at... (answered by Maths68)

A mother is 40 years old and her daughter is 10 years old. In how many years will the... (answered by josgarithmetic)