In a drinking competition, sumit drinks 75 ounces of juice (j) in 2 hours (t). write an equation in the form of j=rt that represents the relationship between the amount of juice (j) and time (t), where r is the constant of proportionality.

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Precalculus question, image attached.