Question

when i have travelled 9/2 km. i have completed 3/7 of my journey.what is thetotal length of my journey?

Answer 1

let total journey be X
$3 \div 2 \times x = 9 \div 2$
$x = 9 \div 2 \times 3 \div 7$
$\frac{9}{2} \times \frac{7}{3}$
$= \frac{21}{2}$
$= 10.5km$