pugnerd7811 pugnerd7811

10-08-2017
Mathematics

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How many integers from 1 to 40, inclusive, are multiples of 4 or 5?

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musiclover10045 musiclover10045

10-08-2017

4, 8, 12, 16, 20, 24, 28, 32, 36, 40 = 10 numbers that are multiple of 4

5, 10, 15, 20, 25, 30, 35, 40 = 8 numbers that are multiple of 5

10 + 8 = 18 total numbers are multiple of 4 or 5

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