Answer:
D
Step-by-step explanation:
20x + 12 x =14x +30
20x - 14x = 30-12
6x= 18
6x/6 = 18/6
x = 3
so xs =3
3 7
- ÷ -
5 8
3 8
= - × -
5 7
24
24= ----
35
Your answer is d = 525h
Hours flying times rate at which your are flying equals distance traveled.
Hope is helps!
Thanks
true