The speed of a river current is 3 mph. if a boat travels 30 miles downstream in the same time that it takes to travel 20 miles upstream, find the speed of the boat in stillwater

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.