Ratio, Proportion, and Percent
These questions will test your knowledge of operations involving ratio, proportion, and percent. Answer the following questions.
A bowl contains 20 marbles (8 blue, 6 red, 3 green, 2 yellow, and 1 orange). If you reach in and choose one marble at random, what is the probability that it will be red
【参考答案】
There is a total of 20 marbles in the bowl, 6 of which are ......