SOLUTION: An integer between 20 and 50 inclusive is selected at random. What is the probability that it is a multiple of 7?

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Question 1193326: An integer between 20 and 50 inclusive is selected at random. What is the probability that it is a multiple of 7?
Answer by ikleyn(52794) About Me  (Show Source):
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Calculate the amount of integer numbers between 20 and 50 inclusive :  there are  50 - 19 = 31  such integer numbers, in all.


Of them, 5 numbers are multiple of 7 :  they are 21, 28, 35, 42 and 49.


Therefore, the  ANSWER   to the problem's question is   5%2F31.

Solved,  answered and explained.