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

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)

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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

Answer :

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

Other Questions

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