You plug in $67 for y because you need to find out what week you'll have $67 dollars in the account.
The club members would have to buy 2 to have the same amount as one non club members
<h2>Answer</h2>
0.43
<h2>Explanation</h2>
Remember that 
Since the problem is telling us "Among tenth graders", we must focus on the 10th graders row only. From the row, we can infer that the frequency is the number of 10th graders who prefer going to sporting events, so
. Now, the sum of all frequencies will be the sum of all the 10th graders, so
. Let's replace the values:



And rounded to the nearest hundredth:

Jason has x dollars, and Ryan has 5 more dollars than Jason. How many dollars does Ryan have? How many dollars do both boys have?
Jason has x
Ryan has x + 5
both boys have x + x + 5 = 2x + 5
The answer is C) 40
You would find this answer by using a formula.