Answer:
it should be 8x + 3(20 - x) = 5(20)
B. 11√2
Step-by-step explanation:
Those marks on the lines mean the side's length is 11. Now to solve x we use the Pythagorean thereom.
11^2+11^2=x^2
x^2=242
x=11√2
1/4 //// 1/6
its out of four and then 6