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?

15 over 20
11 over 20
6 over 20
5 over 20

Answer 1

i think A

Answer 2

hey do u still need help??

Answer 3

\(\dfrac{15}{20}\) is he probability of getting red and blue

Answer 4

to find the probability of green, subtract
\(\dfrac{20}{20}-\dfrac{15}{20}\)

Answer 5

so what's 20 - 15?

Answer 6

5

Answer 7

so the probability of getting green is \(\dfrac{5}{20}\)

Answer 8

Ohhhhhhhhh i get it now

Answer 9

The answer is D!!!! :D