Francisco game involves 3 green 2 yellow 4 red 3 black marbles. If he randomly draws three marbles from the bag without replacement what is the probability that he will draw yellow and then red and then black

1/55

Step-by-step explanation:

There are originally 12 marbles.

The probability the first marble is yellow is 2/12.

The probability the second marble is red is 4/11.

The probability the third marble is black is 3/10.

The probability of all three events is:

(2/12) (4/11) (3/10)

1/55

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls

coins of silver or gold

step-by-step explanation: