It is c.
explanation:
20+130+h =180
when you solve you get h=50
130+g = 180
g= 50
50+60+f = 180
f=70
1.58 hours or about an hour and a half. hope this helps :)
4 quarts=1 gallon
1 liter is slightly bigger than 1 quart
so
1L>1qt
times 4 both sides
4L>4qt=1gal
4L>1gal
4 liters is bigger
478×427= 204,106cm
204,106cm - 2041.06m
204,106cm - 20.411m2
There are 3 interior angles.
