Question

Starting at home, Emily traveled uphill to the hardware store for 60 minutes at just 6 mph. She then traveled back home along the same path downhill at a speed of 12 mph. What is her average speed for the entire trip from home to the hardware store and back?

Answer 1

Is it helpful? If my answer have any problem you can say it to me.

Answer 2

30 mins

it is an indirect variation

speed mins

6 60

12 x

6×60 = 12×(X)

6×60/12 = X

60/2 =

30 = X