Noam chose 3 songs from a pile of 20 songs to play at a piano recital. what is the probability that she chose the entertainer, something doing, and the ragtime dance? (justify)
answer show your work. i will give brainliest.

3/20

Step-by-step explanation:

She chose 3 songs out of twenty so those three songs should be out of that twenty.

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign