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

@Qwertty123

Answer 2

Hey

Answer 3

P(red) = 11/20
P(blue) = 6/20
P(green) = x

Answer 4

P(red) + P(blue) + P(green) = 1

11/20 + 6/20 + x = 1

solve for x

Answer 5

brb Hope this makes sense! I need to help someone else.

Answer 6

what is 11/20 + 6/20 equal to

Answer 7

@loveyouthanks

Answer 8

17/20

Answer 9

so we have 17/20 + x = 1

Answer 10

subtract 17/20 from both sides

Answer 11

x = 1 - (17/20)

x = 20/20 - 17/20 ... think of 1 as 20/20

x = ???