30.1k views
0 votes
The ratio of Seth's height to Jack's height is 3:4 if Jack is 15 inches taller than Seth, what is Seth height.

User David Wong
by
7.9k points

1 Answer

7 votes
Set up proportion 3/4 = S/S+15
4s = 3s + 45
subtract 3s from both sides
s=45

You can check by taking Seth's height of 45 over Jack's height of 60 (45+15).
And reduce the fraction to 3/4 or a ratio of 3:4.
User TheJediCowboy
by
8.1k points