If someone understands this please help

At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If you land on green, you win 2 points. If you land on yellow, red, or blue, you lose 1 point. Write the expected value equation.

A= B= C=
D= E= F=
G=

If someone understands this please help At a carnival you spin a spinner that has four equalsized sections each a different color green yellow red and blue If y class=