Uh.. not sure what to do.. but here's an equation for it.. y= 12x +28
79.90*0.8= 63.92
Answer
63.92
5/8÷1/3=5/8×3/1
(multiply by reciprocal instead of dividing)
5/8×3/1=15/8=1.875
It could be either, we need more info. How big are each? If it doesn't say, then it's a trick question. Throw Schrodinger's cat at it or something.