Algebra Problems Multiple Choice
plz help with a multiple choice simple algebra problem. I choose the best answer?
a car is speeding 80 mph has four hours Head Start / 3 in a helicopter attempting to overcome the car. the camera moves to 120 kmh. how far the point Departure is by helicopter for overtaking? AB v. 1 miles d. 96 miles 74 miles 180 miles
Well, the answer is 180 miles. The car has traveled for three quarters of an hour, or 0.75 hours. So when they started to run Heli, 0.75 pm * 80 mph = 60 miles. Now, look at the time necessary to have both the same distance. You should work with the fairness of the distances, in this case would be 60 + 80 = 120 * T * T ___..___/ __..__/ …… /………… / … Cars …………. Heli This formula gives T = 1.5, 120 * 1.5 is the distance traveled by helicopter and is 180 miles. Cheers
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