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miskamm [114]
3 years ago
12

The sum of 18 +45 is a multiple of which sum?

Mathematics
1 answer:
forsale [732]3 years ago
6 0

Answer:

B. (2 + 5).

Step-by-step explanation:

18 + 45 = 63

The prime factors of 63 = 3*3*7

So 63 is a multiple of 7.

The answer is (2 + 5)  (=7).

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