contestada

Willie runs 3 miles in 12 minutes. If Willie runs at the same rate, how far can he run in 60 minutes?

A. 19 miles
B. 4.5 miles
C. 45 miles
D. 15 miles

Respuesta :

nickkelly941
the answer is D.15
hope this helps :)
altavistard
You could either find the unit rate at which Willie runs, or create and solve an equation of ratios:

3 miles      12 min
-----------  = ---------
      x           60 min

Then 12x = 180, and x = 15 miles (answer)