The cost of 8 shirts is 120$
On 3 you subract 36-3 on 4 make the fraction a decimal by dividing the numerator by the denominator and then subtract 12 by the decimal you get and I'm pretty sure you should get both your answers.
All you have to do is multiply the 3 numbers together. 3.5x1x2. Your answer is 7
-7<span>° F
There is really no work to be shown unless you do:
0-7=-7
-7</span><span>° F</span>