Answer:
5 family members
Step-by-step explanation:
3.50x + 6 + 5.50x = 51
51 - 6 = First, you subtract the parking fee by the family total
3.50x + 5.50x = Then, you combine like terms
9x = 45 Next, solve for x
x = 5 There are 5 family members.
5 people
3.50 + 5.50 = $9 per person
51 - 6 = 45
45/9 = 5
