SOLUTION: Tom's mother gave birth to Tom when she was 21 years old. how old will Tom be when his mother's age is 4 times of his age?

SOLUTION: Tom's mother gave birth to Tom when she was 21 years old. how old will Tom be when his mother's age is 4 times of his age?

Algebra.Com

Question 972276: Tom's mother gave birth to Tom when she was 21 years old. how old will Tom be when his mother's age is 4 times of his age?
Answer by amarjeeth123(569) (Show Source): You can put this solution on YOUR website!
Let the number of years be x.
We have 21+x=4x
3x=21
x=7
Tom will be 7 years old when his mother is 4 times his age.
RELATED QUESTIONS
A mother was 21 years when she gave birth to her daughter.How old will the mother be when (answered by macston)

Tom is 4 years old. His mother is 9 times as old as he is. How old will Tom's mother be... (answered by josgarithmetic)

Tom is 10 years old and his mother is 30 years old. In how many years will Tom's age be... (answered by Stitch)

tom is 2o years old and his father is 55 years old when tom is half his father's age how... (answered by Alan3354)

Tom is 20 years old and his father is 55 years old. When Tom is half his father's age,... (answered by ikleyn)

John is exactly half his mother�s age. The total of their ages is 60. When John reaches... (answered by ewatrrr,richwmiller)

Tom's age is 2/5 his mother's age. Tom is 16 years old. How old is his... (answered by ad_alta)

When Tom was born his dad was 27 8 years ago toms dad was twice the age tom will be in... (answered by josmiceli,MathTherapy)

Tom is 8 years old and his father is 31, when will tom reach an age which will be double... (answered by oscargut)