Marsha has a bag that contains 4 green marbles, 8 yellow marbles, and 20 red marbles. if she chooses one marble from the bag, what is the probability that the marble is not red?

The probability is 0.375

Step-by-step explanation:

The probability is calculated as a division between the number of options that satisfy an specific condition and the total number of options. So, if Marsha choose one marble from the bag, she has 32 possible options:

From these 32 options, there are 12 that are not red:

Therefore, the probability P that the marble is not red is calculated as:

sadsdda

step-by-step explanation:

actually your concept is wrong

step-by-step explanation:

150% of x =300

150x=300×100

x=(300×100)÷150

x=200