Question

Today John is 3 times as old as Mark is. In 13 years, John will be one year younger than twice the age of Mark on that day. How old is John today? please help !!!

Answer 1

Do you know marks age?

Answer 2

no :(

Answer 3

hmm

Answer 4

:)

Answer 5

@C.A.M could probably help you

Answer 6

thanks\

Answer 7

Let's make a table.

I'm using m for Mark's age today.

Answer 8

Read the first sentence of the problem. Can you fill in John's age today using m for Mark's age today?

Answer 9

J=3M

Answer 10

yea

Answer 11

J+13=3M+13 ??

Answer 12

Right

Answer 13

In 13 years, Mark will be 13 year older, so