#1 is 55 points to spent because you get five points every time you sell one, and you sell six so you do 5×6 you get 30 then 30+25 witch you already had so you get 55
The length would be:
120-2(20)=2x
Then you would solve for x.
120-40=2x
80=2x
x=40, so the length is 40 yards.
3,4,7 just plug the x into the equation
Answer:
D
Step-by-step explanation:
50 + 50 is 100