4
algebra

If 1.1x+2.2=4.41.1x + 2.2 = 4.4, what is the value of xx?

A

1

B

4

C

3

D

2

Correct Answer: D

Choice Bhoice D is the correct answer.

  1. Subtract 2.2: 1.1x=2.21.1x = 2.2
  2. Divide by 1.1: x=2x = 2
  3. Verify: 2.2+2.2=4.42.2 + 2.2 = 4.4

Choice Bhoice A is incorrect because calculation error.

Choice Bhoice D is incorrect because calculation error.

Choice Bhoice C is incorrect because calculation error.