Five hamburgers and one order of fries together cost $10.24, whereas one hamburger and five orders of fries together cost $5.84. what is the total cost of
three hamburgers and three orders of fries?
a) $13.20
b) $12.72
c) $8.04
d) $3.30
e) none of the precious choices are correct.

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

How can you find the mean absolute deviation (mad) for this set of data?