Problema Solution
The engine of a small rocket burns 170,000 lb of fuel in 1 min. At this rate, how many pounds of fuel does the rocket burn in 45 s?
Answer provided by our tutors
60 s = 1 min divide both sides by 60
1 s = 1/60 min multiply both sides by 45
45 s = 45/60 min
45 s = 3/4 min
The engine of a small rocket burns 170,000 lb of fuel in 1 min this in 3/4 min it will burn:
170000*(3/4) = 127,500 lb
in 45 s the rocket will burn 127,500 lb of fuel.