SOLUTION: shoe sizes and foot length are related by the formula S = 3F - 24, where S represents the shoe size and F represents the length of the foot, in inches.. a) Solve the formula for

Algebra ->  Equations -> SOLUTION: shoe sizes and foot length are related by the formula S = 3F - 24, where S represents the shoe size and F represents the length of the foot, in inches.. a) Solve the formula for      Log On


   

Question 174723: shoe sizes and foot length are related by the formula S = 3F - 24, where S represents the shoe size and F represents the length of the foot, in inches..
a) Solve the formula for F.
b) To the nearest tenth of an inch, how long is the foot of a person who wears a size 10 1/2 shoe?
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
a)S=3F-24given
:
3F=S%2B24adding 24 to both sides
:
highlight%28F=%28S%2B24%29%2F3%29
:
b)F=%2810.5%2B24%29%2F3
:
F=34.5%2F3
:
highlight%28F=11.5%29inches