Question

Lily drove from Town X to Town Y at an average speed of 78 km/hr. After 6/5 hours, she completed 3/7 of her journey. What is the distance between Town X and Town Y?​

Answer 1

Answer:

218.4 km

Step-by-step explanation:

Let the total distance from town X to town Y be a km

Average speed = 78 km/hr

Time = 6/5 hours

Distance covered by Lily in 6/5 hours = 3/7 of total distance = $\frac{3}{7}a$

We know that,

$Speed =\frac{Distance}{time}\\\\ Speed *Time = Distance$

$78*\frac{6}{5} = \frac{3}{7}a\\\\ 78*\frac{6}{5}*\frac{7}{3} = \frac{1092}{5} = 218.4 km$