Answer:
Step-by-step explanation:
Probability is a way of expressing the chances of an outcome in math.
In this problem, there is a 30% (30 percent) chance of choosing a red marble out of 40 marbles
We can convert 30% to a decimal by dividing it by 100
30 -> .3
We can then multiply that decimal by the total amount of marbles
.3 * 40
12 marbles should be red.
