Evens. They can be paired: 1-2, 3-4, 5-6, ... , 19-20 and in each pair, the even number is larger.
19 + 1 = 20
Subtract a negative 1. 19 - (-1) = 20
20 - 19 = 1
Answer: 19 20 - 1 = 19.
the answer is 20-19=1
The GCF of 19 and 20 is 1.
1 1/19
19 dollars 20 x .05 = 1 20 - 1 = 19
19/20-3/4=1/5 3/4-19/20= -1/5
5x+1=20 5x=20-1 5x=19 5x/5=19/5 x=19/5
20