Respuesta :

LazyBun
Answer: 5$

Explanation:

1hr = 6$ but 1hr = 60min
Or 60min = 6$

If he walk the dog for 50min:

60/50 = 6/x
X = (6 x 50)/60
X = 300/60
X = 5$

X is the amount he was paid for walking the dog for 50 min.

And 7:30 - 6:40 = 50min
good job