Answer:
Step-by-step explanation:
So if 54 is 100% then 200% is double therefore 200% of 54 is 108
Distance = r x t ===> t=d/r
Distance (after 2 hours driving @30mil/hr) = 2 x 30 = 60 Mil
To drive same distance (60) with r = 50, the time needed is 60/50 =1.2 hrs
0.1875 you must divide 3 by 16 the numerator by the denominator