After robbing a bank in dodge city, a robber gallops off at 14 mi/h. 20 minutes later, the marshall leaves to pursue the robber at 16 mi/h. how long (in hours) does it take the marshall to catch up to the robber?

For this case we have to write the equation of the position of each one.

We have then:

For the robber:

For the marshall :

By the time the marshall reaches the robber we have:

From here, we clear the time.

We have then:

it takes the marshall to catch up to the robber about 2.7 hours.

i just took the test, the correct answer is .. 31.5 in.

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step-by-step explanation: