# Maths

posted by .

Mrs Lim is m years old. She gave birth to her son when she was 20 years old. What will their total age be in 12 years' time?

• Maths -

at present, their age total is m + (m-20) = 2m-20
In 12 years, they will each be 12 years older, so add 24 to the total: 2m+4

## Similar Questions

1. ### algerbra

mrs. johnson is 3 times as old as her son. ten years agoe she was 5 times as old as her son was then. what is the two equations for this problem?
2. ### Math

2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years from now, Clyde will be twice as old as his cousin Bonnie will be then. If Clyde is now 16 years old, how many years old is Bonnie?
3. ### Math

I cant figure this out! Can someone please tell me were my mistake is?
4. ### MATH

Mrs Lim is 41 years old and her daughter is 14 years old. How many years ago was Mrs Lim four times as old as her daughter?
5. ### Maths

A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time?
6. ### Math

joe is x years old and is 25 year older than his son Brian who is y years old. the sum of their age is 49. a. find joe age now. b. brians age in 5 years time.
7. ### MATH HELP

Sam and Harry are family. Sam is currently is three times Harry's age. Sam's age is also 10 more than twice Harry's age. What are their current ages?
8. ### algebra

Seven years ago a women was four times old as her sons age at that time.In seven years years from now the mother will be twice as old as her son would be then.Find their present ages. Answer
9. ### Math

Hi can someone please help me? A recent study gave the information shown in the table about ages of children receiving toys. The percentages represent all toys sold. Age (years) Percentage of Toys 2 and under 3-5 6-9 10-12 13 and over
10. ### Maths ( Higher Level) Simultaneous Equations.

A mother is x years old, her son is y years old and the sum of theirs ages together is 58 years. Five years ago, the mother was five times as old as the son. Write two equations in x and y and solve them to find the age of their mother …

More Similar Questions