The student council at kensington high school is making t-shirts to sell for a fundraiser, at a price of $12 apiece. the costs, meanwhile, are $6 per shirt, plus a setup fee of $150. selling a certain number of shirts will allow the student council to cover their costs. how many shirts must be sold?

it will take 25 shirts until the council can cover their cost.

Step-by-step explanation:

This is the equation we will use:

0 = 6x - 150

0 means that they did not earn anything but at the same time they covered their cost. $6 is the money they earn because since each shirt cost $6 to produce and they sell it for $12, they only earn $6. -150 is the setup fee it's negative because they still need to cover money.

0 - 6x = -150

-6x = -150

x = 25

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

step-by-step explanation: