# maths

the ratio of john's age to Mike's age is 7:4. In 10 years time Mike will be as old as John was 5 years ago. How old is John now?

1. j/m = 7/4
m+10 = j-5

Now just solve for j

posted by Steve

First Name

## Similar Questions

1. ### Mathematics

A half of what John's age was 4 years ago is equal to one third of what it will be in 5 years' time. How old is John now? Explain your workings
2. ### math

one half of what john's age was 4 years ago is equal to on of thrid of what it will be in 5 years time.How old is john now
3. ### maths

John is 3 times as old as Susan now. In 4 years time John will be 18 years older than Susan. Find John's age and Susan;s age now.
4. ### Math

Loretta's age now is twice John's age five years ago. In three years the sum of John's and Loretta's ages will be 50. How old are Loretta and John today?
5. ### math

A. John is now 10 years older than Marcus. Three times John's age 5 years from now will be the same as five times Marcus's age 5 years ago. How old is John now? B. In 1 year Kristen will be four times as old as Danielle. Ten years
6. ### math

john's age in the next ten years will four times his age five years ago. How old is john now?
7. ### word problems

John is 12 years old. a) Write an expression for John's age x years time. b)Write an expression for John's t years ago.
8. ### Math

The sum of John's age and twice of his son's age is 56. In 8 years time, the son's age will be half of john's age. Find there present ages. Right now I wrote down an equation x+2y=56 and not quite sure what to do next.
9. ### Maths

The ratio John's age to Ryan's age is 3:1 now . 25 years later , the ratio will become 4:3 .How old is John now ?
10. ### Maths

The ratio John's age to Ryan's age is 3:1 now . 25 years later , the ratio will become 4:3 .How old is John now ?

More Similar Questions