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# If r and s are two positive numbers and r is 25% greater tha

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If r and s are two positive numbers and r is 25% greater tha [#permalink]  12 Apr 2019, 03:24
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If r and s are two positive numbers and r is 25% greater than s, what is the value of the ratio $$\frac{r}{s}$$ ?

(A) 0.75

(B) 0.8

(C) 1

(D) 1.2

(E) 1.25
[Reveal] Spoiler: OA

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Re: If r and s are two positive numbers and r is 25% greater tha [#permalink]  13 Apr 2019, 02:40
Expert's post
The key information here is that "r is 25% greater than s." So we take s, increase it by 25%, and we get r. Hence:

1.25s = r

Now we want the value of $$\frac{r}{s}$$. We can replace r with 1.25s, given the equation we found above. So we want the value of:

$$\frac{1.25s}{s}$$

The s in the numerator cancels with the s in the denominator, leaving us with just the answer, 1.25.
Re: If r and s are two positive numbers and r is 25% greater tha   [#permalink] 13 Apr 2019, 02:40
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