A reservoir is 40% filled with liquid. The reservoir holds 1,750 gallons of liquid. How many gallons of liquid are needed to fill the reservoir to the top? .-.

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