Answer:
Step-by-step explanation:
-101
3x
50 mi/hr × (1 hr / 60 min) × (200 gal / 500 mi) = ⅓ gal/min
(⅓ gal/min) × (t min) = x gal
t = 3x
6
4 1/2 = 9/2=18/4
(18/4)/(3/4)=18/3=6
so she need 6 bags
