Answer:
The biggest common factor number is the GCF number. So the greatest common factor 72 and 80 is 8
Step-by-step explanation:
3x
50 mi/hr × (1 hr / 60 min) × (200 gal / 500 mi) = ⅓ gal/min
(⅓ gal/min) × (t min) = x gal
t = 3x
11
9(3)-8(2)
27-16
