Power and chain rule (where the power rule kicks in because
):

Simplify the leading term as

Quotient rule:

Chain rule:


Put everything together and simplify:







The unknown variables are how many tickets are being bought and the total.
t=tickets
x=total
44t+12=x
6:50 is the answer! Hope this helps. You can figure this out by crossing out the ones you KNOW are factors of 4 and 20. And 6:50 is NOT a factor of them . Hope this helped!!
The club needs to make and sell 29 t-shirts in order to profit at least 150.
<em><u>Explanation</u></em>
Suppose , the number of t-shirts the club needs to make and sell is 
Selling price of each t-shirt is 15, so the total selling price of
t-shirts 
It costs 20 plus 9 per t-shirt to make the t-shirts. So, the total making cost of
t-shirts 
Now for getting profit at least 150 , the equation will be.....

It means the value of x should be at least 28.333...
<em>As here x is the number of t-shirts and it can't be in decimal , so </em><em>the minimum value of x will be 29.</em>
Answer:
True
Step-by-step explanation: