Abag contains 2 red marbles, 2 green marbles, and 4 blue marbles. if we choose a marble, then another marble without putting the first one back in the bag, what is the probability that the first marble will be red and the second will be green?

A bag contains 2+2+4=8 marbles in total.

We have to find the probability of the following events:

1. We have to choose a red marble from the bag that contains 8 marbles in total, 2 of them are red

2. We have to choose a green marble from the bag that contains 7 marbles in total, 2 of them are green.

The probability of the first event to happens is:

The probability of the second event to happen is:

The probability of both events to happen is:

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x