# Math Help - Probability that a randomly chosen two digit positive integer is divisible by 3 or 5.

1. ## Probability that a randomly chosen two digit positive integer is divisible by 3 or 5.

What is the probability that a randomly chosen two digit positive integer is divisible by 3 or 5.

2. Can you answer these questions:

1) How many two digit positive integers are divisible by 3 or 5?
Say the answer is A.

2) How many two digit positive integers are there?
Say the answer is B.

Then the probability is $\frac{A}{B}$.

3. Originally Posted by Isomorphism
Can you answer these questions:

1) How many two digit positive integers are divisible by 3 or 5?
Say the answer is A.

2) How many two digit positive integers are there?
Say the answer is B.

Then the probability is $\frac{A}{B}$.
Thanks for that