Martha has 6 dogs and 4 cats. She takes each animal separately for a daily walk. She can take the animals for a walk to the park or to the barber shop. How many different options for a walk with a single animal does Martha have?
Select the correct option: A) 8 B) 9 C) 10 D) 18 E) 20
5 dogs, 4 cats; park/barber shop   1 dog - 2 options - either park or barber shop, so, 6 dogs - 12 options and 4 dogs - 8 options.   Total = 20 options.   20
<result>E</result>
Martha has 6 dogs and 4 cats. She takes each animal separately for a daily walk. She can take the animals for a walk to the park or to the barber shop. How many different options for a walk with a single animal does Martha have?