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22-05-2019
SAT

contestada

How many 2-digit numbers are multiples of both 5 and 7?

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cblue8282 cblue8282

22-05-2019

Answer:

2: 35 and 70

Explanation:

1. The LCM of 5 and 7: 35

2. 35 * 2 = 70

3. 35 * 3 = 105, not 2-digit

So, the only 2-digit numbers that are multiples of both 5 and 7 are 35 and 70, so 2.

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