Commutative property of addition.
-28 + (-19) = -47
22 + 24 + 28 + 25 + 20 + 19 = 138
47.
19 + 40 + 110 + 115 + 240 + 50 + 54 + 28 + 58 = 714
64It is the same as 17+28+19 = 64
138
The answer is 672.
6/18 + 3/19 = 168/342 or 28/57
2a + 9 = 4a - 19 9 + 19 = 4a - 2a 28 = 2a a = 14
28% of 19= 28% * 19= 0.28 * 19= 5.32
19