There is a really easy way to find this out I can't really help you so if you just look it up on google you should get your awnser
Answer:
u need 78 feet of the three foot wide fencing
Answer:
Step-by-step explanation:
Hooke's Law applies here, which is a linear relationship. It would be easier to solve this using proportions with N of force on the top and the amount of stretch in cm on the bottom. Set up with our unknown, the number of cm:
and cross multiply:
20x = 300 so
x = 15 cm