Find the unknown angle. Show your work.

Step-by-step explanation:

The sum of angles in a triangle is always 180 degrees.

x+40+80=180

x+120=180

x=60 degrees

1/8 3/16 3/4

step-by-step explanation:

you put them as all the same denominator and multiply

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%