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To find the sum of the numbers between 43 and 87 inclusive, we need to add up all the numbers between them, including 43 and 87.

There are a couple of ways to do this, but one common method is to use the formula for the sum of an arithmetic sequence:

S = (n/2)(a + b)

where S is the sum, n is the number of terms, a is the first term, and b is the last term.

In this case, we want to find the sum of the numbers between 43 and 87, so:

a = 43

b = 87

To find the number of terms, we need to count how many numbers are between 43 and 87, inclusive. There are 87 - 43 + 1 = 45 numbers.

Therefore, the sum is:

S = (45/2)(43 + 87) = 2025

So the sum of the numbers between 43 and 87 inclusive is 2025.

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skaistee12

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1y ago
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Q: What is the sum of the numbers in between 43 and 87 inclusive?
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