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
Answer:
Samir wins by 20 seconds
Step-by-step explanation:
D.) Nanometer is the smallest among your options.
It is equal to 10^-9
Hope this helps!