exam Maths Puzzle Numerical Ability

x-4y-3z=6
What does y =?

Read Solution (Total 0)

exam Other Question

Dave can hike on level ground 3 miles an hour faster than he can on uphill terian. yesterday, he hiked 29 miles, spending 2 hours on level ground and 5 hours on uphill terrian. find his average speed on level ground.

help me please A plane flies 720 miles against a steady 30 mi/hr headwind and then returns to the same point with the wind. If the entire trip takes 10 hours, what is the plane�s speed in still air?