Martha has 3 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:
A) 8	B) 9	C) 10	D) 14	E) 20
5 dogs, 4 cats; park/barber shop   1 dog - 2 options - either park or barber shop, so, 3 dogs - 6 options and 4 dogs - 8 options.   Total = 14 options.   14
<result>D</result>
Martha has 3 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?