Answer:
3 ft
6 ft
9 ft
Explanation:
Set up your equation;
18=x+2x+2x+3
simplify;
5x+3=18
18-3= 15
5x=15
15/5=3
x=3
Then plug everything in;
3(2)=6
3(2)+3=9
1.6m questions
2.0m answers