5

Set 11: Linear Equations

Explanation

Answer: D

Sum of three consecutive odd integers is 57. What is the largest?

Largest integer?

A.

23

B.

17

C.

19

D.

21

✓ Correct

Detailed Explanation

Choice D is correct. x + (x+2) + (x+4) = 57. 3 x + 6 = 57. 3 x = 51. x = 17. Integers: 17, 19, 21.

Key Steps:

The correct answer is 21

Why others are wrong:
A: Choice A is incorrect and may result from a calculation error.
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.

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