Question

Question #73dbc

Answer 1

The girl's average speed was `5 (sq)/s`

Explanation:

Her average speed was: `Sav = (Dt)/(Tt)`

Where total distance: `Dt = 6sq + 26sq + 23sq = 55sq`

And total time: `Tt = 2s + 4s + 5s = 11s`

`Sav = (55sq)/(11s) = 5(sq)/s`