Answer:
10x+11y-3w
Step-by-step explanation:
you just have to add the side up and do it by matching up with the values of the variable
Answer: which one
Step-by-step explanation:
Answer:

Step-by-step explanation:

<em>Rule need to remember to solve such questions</em><em>:</em>

Step-by-step explanation:
wall 25×12=300
2 walls = 600
wall2 20×12=240
2 wall2= 480
600+480= 1080 sq ft