Answer:
250; 
Step-by-step explanation:
a. 15 minutes passed, so there would be 250 people who came in
b. You would create a formula, where t = time after 8:15 (in minutes), while p = people who are at the parade
, which equals 
There is actually no one ☝
26 / 8 = 3.25;
14 / 4 = 3.50;
The mistake is obvious !
The tax is 4%, do 1.36 divided by 34