exam Maths Puzzle Numerical Ability

Over a distance of 120 km, the average speed of a train is 40km/h faster than that of a car. If the train covers the distance in 30min less time, find its average speed.

an equation for this pls?

thanks =D

Read Solution (Total 0)

exam Other Question

You have a friend who needs to know how to use the slope and y-intercept

a.) to write an equation and

b.) to draw a graph

Give the detailed steps so that your friend can a)Write the general quadratic equation._________________
b) the Quotient Rule for Square Roots stares:_____________________
c)circle the correct answer: simplifying a radical pro