Byron4150 Byron4150

10-10-2017
Mathematics

contestada

A bag contains 80 marbles: 40 are red, 20 are blue, and 20 are black. what is the probability of selecting a red or blue marble at random

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sivilsavannah12 sivilsavannah12

10-10-2017

40 % out of 80 for red
20% out of 80 for blue

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