A construction company can remove 5 1/4 metric tons of dirt from a construction site in 4 1/2 hours what is the unit rate in metric tons per hour???

Answer:  Unit rate in metric tons per hour = 1.17Explanation:  A construction company can remove 5 1/4 metric tons of dirt from a construction site in 4 1/2 hours.  Dirt removed [tex]=5\frac{1}{4} =\frac{5*4+1}{4} =\frac{21}{4}[/tex]  Time taken in hours [tex]=4\frac{1}{2} =\frac{4*2+1}{2} =\frac{9}{2}[/tex]  Unit rate in metric tons per hour = Dirt removed in metric tons/ Time taken in hours for that.       Unit rate in metric tons per hour [tex]=\frac{\frac{21}{4}} {\frac{9}{2}} =1.17[/tex]