The time, T, for a car to travel from Macon to Atlanta is inversely proportional to the speed, R. If it takes 1.75 hours to travel between the two cities at 55 mph, find (in hours) the time to travel between the two cities at 70 mph.

It would take ____ hours to travel from Macon to Atlanta. Round your answer to two decimal places.

Question

The time, T, for a car to travel from Macon to Atlanta is inversely proportional to the speed, R. If it takes 1.75 hours to travel between the two cities at 55 mph, find (in hours) the time to travel between the two cities at 70 mph.

It would take ____ hours to travel from Macon to Atlanta. Round your answer to two decimal places.

kj4uts · Answer

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kj4uts · Answer

Do I take 1.75 * 55 = 96.25 / 70 = 1.375 or 1.38

kj4uts · Answer

@campbell_st

campbell_st · Answer

well you need to know 

$$S = \frac{D}{T}$$

so you need to find the distance between the 2 cities given S = 55 and T = 1.75

can you calculate D

campbell_st · Answer

so your calculation looks correct.

kj4uts · Answer

So 1.38 would be the answer then?

campbell_st · Answer

well it makes sense to me

kj4uts · Answer

Ok thank you could you just check this other one I have I will tag you.