Answer:
Width=507
Length=528
Step-by-step explanation:
1035sqft - 21 = 1014
1014 divided by 2 = 507
x=25
5x-5+ 2x+10 =180
2x-5x = 10+5
3x= 15
x=5
5(5)-5+ 2(5) +10 =180
the answer is 12