Find the Probability $\frac { 10 } { 9 }$ B) $\frac { 1 } { 3 }$

Multiple Choice

Find the probability.
-A spinner has regions numbered 1 through 21. What is the probability that the spinner will stop on an even number or a multiple of 3?

A) $\frac { 10 } { 9 }$
B) $\frac { 1 } { 3 }$
C) $\frac { 2 } { 3 }$
D) 17