SOLUTION: How many counting numbers in the set (1,2,3,4,......49) are divisible by 2 or 5. Don't count numbers twice.
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Question 361726: How many counting numbers in the set (1,2,3,4,......49) are divisible by 2 or 5. Don't count numbers twice. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! From 2 to 48 by 2's, makes 24 numbers.
From 5 to 45 by 5's, makes 9 numbers.
Then numbers divisible by 2*5=10,
From 10 to 40, makes 4 of those.
