Problema Solution
A bag contains 6 red marbles and 4 blue marbles. Find the probability of drawing a red marble, keeping it, and drawing another red marble. Write the probability as a fraction in simplest form.
Answer provided by our tutors
total marbles = 6+4 = 10
red marbles = 6
prob of drawing first red marble = 6/10 = 3/5
prob of drawing second red marble = 5/9