Question

A spinner is divided into many sections of equal size. Some sections are red, some are blue, and the remaining are green. The probability of the arrow landing on a section colored red is 9 over 20. The probability of the arrow landing on a section colored blue is 6 over 20. What is the probability of the arrow landing on a green-colored section?

Answer 1

hint: all of the probabilities must add to 1

Answer 2

does anyone understand this

Answer 3

so what does it mean?

Answer 4

x = probability of landing on green

\[\Large \frac{9}{20}+\frac{6}{20}+x = 1\]

are you able to solve for x ?

Answer 5

no cause i have lots of math to do

Answer 6

ill try

Answer 7

first combine the fractions on the left side

Answer 8

tell me what you get