Question

If a planet were orbiting the Sun in an orbit three times as far as its current orbit, how many times longer would it take the planet to go around the sun, as compared to its current rate of revolution?

a. 3
b. 9
c. 1/3 as long Incorrect
d. About 5.2
e. About 2.1

I am having trouble with this question. Please help.
lola
idk