Question

In a cross country marathon jack and ted ren a total of 81 kn. Ted ran 5kn farther than jack how far did each of them run?

Answer 1

Jack ran 38 km and Ted ran 43 km.

Explanation:

Let Jack’s displacement be
`x`

`x + (x+5) = 81`

`2x + 5 = 81\\2x = 76`

`x = 38 km`

`x+5 = 38 + 5\\x+5 = 43km\\`