Question

When I have travelled 9/2 km I have done 3/7 of my journey. What is the length of my journey ?​

Answer 1

Step-by-step explanation:

Let the total length of journey be x km. Now from question

$\color{magenta}\[ \begin{array}{l} \tt x \times \dfrac{3}{7}= \dfrac{9}{2} \\ \\ \tt \Rightarrow \dfrac{3 x}{7}=\dfrac{9}{2} \\ \\ \tt\Rightarrow x=\dfrac{21}{2} \\ \\ { \boxed {\tt\Rightarrow x=10.5 km} }\end{array} \]$

Answer 2

Step-by-step explanation:

Q. When I have travelled 9/2 km, I have done 3/7 of my journey. What is the length of my journey ?

Solution:

Let the length of the total journey be x

Therefore, According to the question:

9/2 = 3/7 of x

=> 9/2 = 3x/7

=> 3x = 9/2 * 7

=> x = 9/2 * 7/3

=> x = 21/2

=> x = 10.5

Thus, the length of the total journey is 10.5 km.