After running $25 \%$ of a race, Giselle had run 50 metres. How long was the race, in metres?
(A) 100
(B) 1250
(C) 200
(D) 12.5
(E) 400
After running $25 \%$ of a race, Giselle had run 50 metres. How long was the race, in metres?
(A) 100
(B) 1250
(C) 200
(D) 12.5
(E) 400

## Solution

If $25 \%$ of a race is 50 metres, then $100 \%$ of the race is $\frac{100}{25} ¥ 50=200$ metres.

ANSWER: (C)