Question

Four people enter their names into a drawing. The winner receives one of two different prizes that are randomly selected. The tree diagram represents all possible outcomes.

Answer 1

Answer:

$-4/9*x=-1 \\ </p><p></p><p>x=-1*9/-4=9/4 \\ </p><p></p><p>-4/9*9/4=-1$

Answer 2

Answer:

-4 /9 * x = -1

x = - 1 * 9 / -4 = 9/ 4

-4/9 * 9/ 4 = -1