SOLUTION: If the given two numbers are 7% and 28% of a third number, then what percentage is the first of the second? A) 30%, b) 25%,c) 18%, d). None of these

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: If the given two numbers are 7% and 28% of a third number, then what percentage is the first of the second? A) 30%, b) 25%,c) 18%, d). None of these      Log On


   

Question 946848: If the given two numbers are 7% and 28% of a third number, then what percentage is the first of the second?
A) 30%, b) 25%,c) 18%, d). None of these
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A=%287%2F100%29C
B=%2828%2F100%29C
So then,
A%2FB=%287%2F100%29%2F%2828%2F100%29=7%2F28=1%2F4
25%