Question

There are 100 fish in an aquarium. If 0.45 of them are red in color, find the number of red fish.

• A. 40
• B. 45
• C. 50
• D. 55

Answer 1

The correct option is B 45

0.45 is the same as $\frac{45}{100}$.

Hence, 45 out of 100 fish are red.