Question

I will give a medal!!
A box contains 25 cards numbered 1 through 25. One card is randomly drawn from the box.

What is the probability that the card drawn will show a multiple of 5, 6, or 7?

A. 12/25
B. 9/25
C. 3/25
D. 1/25

Answer 1

List the multiples of each number given!
5:
6:
7:

Add them, and this will be your numerator! Of course, your denominator will be 25.

Answer 2

So its c?

Answer 3

Not quite. Check this out:

Answer 4

The multiples of 5 in this set are: 5, 10, 15, 20, 25
The multiples of 6 in this set are: 6, 12, 18, 24
The multiples of 7 in this set are: 7, 14, 21

Answer 5

How many numbers are listed?

Answer 6

Just checking in! How are you doing with this?