3 years ago

What is the sum of fifteen and ten?

1 answer:

3 0

The sum of two numbers means that you need to add (+) them together,
so the sum of 15 and 10 is 15 + 10

. 1 5
+<u> 1 0 </u>
2 5

The answer is 25

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Step-by-step explanation:

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