Age problem
Algebra
Level
1
The sum of ages of 5 children born at the intervals of 3 years each is 50 years. Find out the age of the youngest child?
6
3
5
4
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1 solution
each children.is 3 years older than the last children...... assume that the youngest children is =x so the 2nd child is =x+3 & 3rd child is = x+3+3=x+6 4th child is=x+6+3=x+9 5th child is=x+9+3=x+12 so x+(x+3)+(x+6)+(x+9)+(x+12)=50 5x+30=50 5x=50-30 5x=20 x=4 so the answer is 4