The GCF is 5.
It is: 15
15
35-15 = 20
20 - 35 = -15If you take 35% off 20, you get 13.35 off of 20 is 20 - 35 = -15.
They aren't. 5 is the GCF of 35 and 75. It is the largest number that divides into both 35 and 75 evenly.
20-35=15. So 15% increase.
20
It is 5 because: 35-1,5,7,35 20-1,2,4,5,10,20 & 15-1,3,5,15
35
15 add 20 = 35
-20 - 15 = -35
15