the distance a jet travels (d) varies directly with the number of hours (t) flown. a jet travels 1,350 miles in three hours write an equation that represents this direct variation

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)