You and your friend are painting the walls in your apartment. You estimate that there is 1000 square feet of space to be painted. You paint at a rate of 4 square feet per minute and your friend paint at a rate of 3 square feet per minute. Your friend shows up to help you paint 45 minutes after you've already started painting

AWrite an equation that gives the total number of square feet y as a function of the number of minutes X it takes to paint all the walls
BHow long will it take you and your friend finish painting? Round your answer to the nearest minute.