Square root of 100 = 10 cm. Next, 10*2 = 20^2 = 400 ft. Next, convert cm into ft, which would make 100 into about 3.3 ft. The ratio would then be about 3/400. Does that help?
Answer:
I cant see the whole question...
I hope this helps you
2 (B+4)=3
B+4=3/2
B=3/2-4
B=-5/2