20 + 8 = 28 20 - 8 = 12 20 x 8 = 160 20/8 = 2.5
Since addition is commutative, -20 + 8 is the same as 8 + -20. 8 + -20 is the same as 8 - 20. 8 - 20 will give you the opposite number of 20 - 8.
8/20 is 40 %
8 as a percent of 20 is: 8/20 times 100 = 40%
8% of $20.00= 8% * 20= 0.08 * 20= $1.60
2.5
-20
Negative 8 minus 12 is negative 20.
160/8 = 20
12
20
5/8 × 20 = 5/8 × 20/1 = (5×20)/(8×1) = 100/8 = 25/2 = 12½