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Home > MC2 > Chapter 9 > Lesson 9.3.3 > Problem 9-111


A box contains yellow, orange, and green tennis balls. If Izzy draws a tennis ball at random out of the box, what is the probability that he drew either a green or an orange tennis ball? Show your work and express your answer as a percent.

How many green and orange tennis balls are there?
How many total tennis balls are there?

green orange green or orange tennis balls.
green orange  yellow = 45 total tennis balls.