1/3 are divisible by 3=500
Of the remaining 1000, 200 are divisible by 5
How many of the remaining 800 are divisible by 7.
The answer is the sum of these 3 numbers.
NB: the critical word in your problem is OR!
Al G.
asked • 12/04/22Calculus Multiplicative Principles
How many positive integers less than 1500 are multiples of 3,5 or 7?
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