Ahmad walks from home to school at 5 km/h and returns at 4 km/h. If the school is 2 km away, what is his average speed for the whole journey?
Opening the drawing…
MathBrush is being tested with a few parent groups, and every solution on the site is open to them. If you were given a code, it goes in once and this device remembers it. 65 worked examples are free to everyone without one.