PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!

There are 5 red marbles, 15 blue marbles, and 5 green marbles in a bag. You reach in and randomly draw a marble,
replace it, and draw another marble. What is the probability that the first will be red and the second will be blue?

a.) 20%
b.) 80%
c.) 8%
d.) 12%