Question

A bag contains only red and blue marbles. Yasmine takes one marble at random from the bag. The probability that she takes a red marble is 1 in 5. Yasmine returns the marble to the bag and adds five more red marbles to the bag. The probability that she takes one red marble at random is now 1 in 3. How many red marbles were originally in the bag?

A;10 red

B:3 red

C:2 Red

D:5 Red

Answer 1

c is the answer there 2 red

Answer 2

C : 2 red marbles there were 2 marbles in the bag