Iwant to know how to solve this problem correctly, i need

2 ways to solve this: 1) calculator needed
26/50 people liked the black and silver.
divide 26 by 50, and use that number, and multiply it by 300 students.
WHY: by dividing, you find the percent 26 is of 50, and by multiplying, your using that percent of people to find a number out of 300, that would like the black and silver.

2) use your head. (sorry for the bad quality pic)

D) the x-intercept represents adam's commission pay when he had zero total sales