Question

The sum of two consecutive whole numbers is 43. The smaller number is _______.

Answer 1

let one consecutive no. =x
other no. = x+1
A.T.Q
x+x+1 =43
2x=43-1
2x=42
x=42/2
x=21
hope it helps

Answer 2

Answer:

21

Step-by-step explanation:

Given:- The given number is 43.

To find:- The smaller number in the two consecutive whole numbers whose sum will be 43.

Solution:-

Here the given number is 43.

We need to find the two consecutive numbers whose sum will be 43.

So let's consider the two consecutive whole numbers be y and y + 1.

According to the question,

           y + (y + 1) = 43

       ⇒ 2y + 1 = 43

       ⇒ 2y = 43 - 1

       ⇒ 2y = 42

       ⇒ y = 42 ÷ 2

       ⇒ y = 21

The two consecutive numbers are 21 and 21 + 1 = 22.

To verify, 21 + 22 = 43.

Therefore, the smallest number is 21.

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