Answer:
5 people attended the fair.
Step-by-step explanation:
The parking tickets were 7 for the whole fam. You can subtract that off to get you $40. Each person cost $3+$5=$8. 40/8=5.
Hope this helps!
Answer: Solve for a: a = 
Solve for n: 
Step-by-step explanation:
solve for n: Move all terms to the left side and set them equal to zero. Then set each factor equal to zero.
solve for a: Divide each term in an = 9 + (n−1) ⋅ 8 by n and simplify.
Answer:
Its 150 miles
Step-by-step explanation: because .5×6=3 and 6×25=150
0.4% of 510 is 2.04
so answer is 2.04