Question

How many integers between 1 and 566 are divisible by either 3 or 5?

Answer 1

Answer:

There are 264 integers between 1 and 566 divisible by either 3 or 5.

Step-by-step explanation:

3 is the first number from 1 to 566 divisible by 3 and the last one is 564.

564 : 3 = 188.

Also 5 is the first number divisible by 5 and the last one is 565.

565 : 5 = 113.

But there are numbers divisible by their product  3 * 5 = 15.

Starting with 15 and the last one is 555.

555 : 15 = 37.

Finally : 188 + 113 - 37  = 264.

Answer 2

Step-by-step explanation:

i think 265

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