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How many 2-digit numbers are multiples of 7 or 5

How many 2-digit numbers are multiples of 7 or 5
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18 votes
How many 2-digit numbers are multiples of 7 or 5

User Deathtiny
by
8.8k points

1 Answer

5 votes

Answer:

2

Use the prime factorization:

7 * 5 * 1 = 35

7 * 5 * 2 = 70

User Takara
by
7.9k points
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