Please help me as soon as possible; your help is highly appreciated .The topic is Probability. I will give 5 stars rating and 15 points to whoever helps me first ,and correctly does so. NO LINKS OR I WILL REPORT!!!

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?