Question

Which of the following expression represents x being tripled and then increased by 20%.

1. 3 (x+0.2x)
2. 3x+0.6x.
3. 3 (x+20x).
4. 3x+ 0.2x

Answer 1

• 2) 3x+0.6x

Explanation:

Expression represents x being tripled:

• x*3 = 3x

Then increased by 20%:

• 3x + 20% =
• 3x + 20*3x/100 =
• 3x + 0.6x

Correct choice is 2