Question

A birthday party caterer counted the number of juice cups on the table. The cups contained different flavored juices and different shaped straws. Heart-shaped straw Star-shaped straw 3 4 Orange juice Grape juice 2 1 What is the probability that a randomly selected cup contains orange juice and contains a star-shaped straw? Simplify any fractions.

Answer 1

According to the picture, to find that probability, the first step is to find the total number of juice cups. To do it find the sum of the values in a row or in a column and then find the sum of these , for example: