SOLUTION: How many integers from 1 to 1000 inclusive are multiples of 2 or multiples of 9?

Question 151175This question is from textbook
: How many integers from 1 to 1000 inclusive are multiples of 2 or multiples of 9? This question is from textbook

Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
Many times, this type of problem is best understood by making the problem 'simpler'.
So, instead of 1000, use a smaller number. Let's choose 10
How many numbers are divisible by 2 and between 1 and 10? 2,4,6,8,10 . So 5 are.
Divide 10 by 2. What do you get?
Now try 20. What do you get?
Do the same for 10 divided by 9. only 9. 10/9 = 1.11. Using the whole number result of the division we see that there is 1.
Try 20. What do you get?
Now take on the given problem
Take 1000 and divide by 2. What do you get?
Take 1000 and divide by 9. What do you get?
Take the whole number (not the remainder) of each result.

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