A person walks a path on 3 hours.In the first hour,he walks a third of the way;on the second hour,the forth of the way and on the

Question

A person walks a path on 3 hours.In the first hour,he walks a third of the way;on the second hour,the forth of the way and on the third hour,ten kilometers more than the first hour.What is the longitud in kilometers of the path.

Multiple choice answers:
a)12
b)24
c)120
d)129 over 12

linhdan · Answer

The  person  walked a  distance  of 120 kilometers in a  time  3 hours. (Correct choice:  C )      What is the length of the path covered by a person?  Herein we have the case of a person walking during a  total time  of three hours, whose  conditions  are explained mathematically by the following  formula :    x = x / 3 + x / 4 + (x / 3 + 10)  x = (2 / 3) · x + x / 4 + 10  x = (11 / 12) · x + 10  x / 12 = 10  x = 120    The  person  walked a  distance  of 120 kilometers in a  time  3 hours. (Correct choice:  C )    To learn more on  linear equations : https://brainly.com/question/11897796  #SPJ1

What is the length of the path covered by a person?

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