A jar contains 30 red, 40 blue, and 50 white buttons. you pick one button at random, find the probability that it is red or blue

0.58 rounded to the nearest hundredths

Step-by-step explanation:

30+40+50=120

now add red+blue

30+40=70

70/120

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step-by-step explanation:

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.