3(x+2) = x+11
3x+6 = x+11
3x-x = 11-6
2x = 5
x = 5/2 OR
x = 2.5
Answer: A=20
Step-by-step explanation:
3×A=30+30............eqn 1
3A=60
A=60/3
A=20
Substitute A=20 into equation 1
3x20= 30+30
The Answer is <em>C </em>
<em>Also 37%</em>