Question: When a number is added to a second number, the sum is $ 333\frac{1}{3}% $ of the second number. What is the ratio between the first number to the second number?
Options:
A) 3 : 7
B) 7 : 4
C) 7 : 3
D) Data inadequate
E) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- Let the first number be x and the second number be y.
Then, $ x+y=338\frac{1}{3} $ % of y
$ \Rightarrow $ $ x+y=\frac{1000}{3\times 100}y $
$ \Rightarrow $ $ x+y=\frac{10}{3}y $
$ \Rightarrow $ $ x=\frac{7}{3}y $
$ \therefore $ $ \frac{x}{y}=\frac{7}{3} $