LanaParrilla LanaParrilla

20-03-2017
Mathematics

Answered

A box contains twenty cards numbered 1 through 20. One card is to be randomly drawn from the box.

What is the probability that the card drawn will show a multiple of 6, a multiple of 7, or a multiple of 8?

A.1/2

B.1/3

C.7/20

D.1/2

Verified Answer :

fiohauwe fiohauwe

20-03-2017

There are three multiples of 6: 6, 12, 18.

There are two multiples of 7 and 8 each: 7, 8, 14, 16.

3+4=7, so the answer is 7/20 or C.

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