Question

A cyclist takes (x+3) hours to travel a distance of 108km when cycling at x km per hour. Find:
a) the value of x
b) the time taken to complete the journey

Answer 1

x=108/x+3
(s=d/t)

Answer 2

solve for x,you will get a quadratic equation in x

Answer 3

x=-9 or x=12? and what about part b?

Answer 4

so x=12=speed
you just wrote time=x+3 time=12+3=15hours

Answer 5

negative value of x must be rejected