Question

Four of our eight planets are gas giants.

The rest are made of rock. What fraction
of our planets are gas giants?

Answer 1

4/8 or 1/2 or 50%

Explanation:

According to your info in the question:

4 planets are gas giants.

8 total planets.

4 / 8 simplified is 1/2

Answer 2

half of them 50% .5 4/8 1/2