Answer:
75% of the planets have moons
Step-by-step explanation:
In order to calculate this you just have to do a simple rule of three, in which you will use 888 as the 100 percent and you want to discover what percentage of that does 666 represents:
\(\frac{888}{100} \frac{666}{x} \\x=\frac{666*100}{888}\\ x=75\\\)
So you have that 666 is the 75% of 888, that means that 75% of the planets have moons.
