Starting at home, Ishaan traveled uphill to the grocery store for 12 minutes at just 15 mph. He then traveled back home along the same path downhill at a speed of 30 mph.
What is his average speed for the entire trip from home to the grocery store and back?

Respuesta :

22.5 mph ? maybe ???????

Answer: Its 20 mph. :)

Step-by-step explanation: (I just did My quiz.)