95 + 80 + 80 + 30 = 285
The result of the equation - 130 plus 80 plus 30 plus 80, is found as follows;130 + 80 + 30 + 80= ( 130 + 80 ) + 30 + 80= 210 + ( 30 + 80 )= 210 + 110= 320Answer = 320
70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
50 + -30 + -95 = -75
95
100 + 30 + 80 = 210
The result of the equation - 30 plus 90 plus 60 plus 80, is found as follows; 30 + 90 + 60 + 80 = ( 30 + 90 ) + 60 + 80 = 120 + ( 60 + 80 ) = 120 + 140 = 260 Answer = 260
The result of the equation - 130 plus 30 plus 60 plus 80, is found as follows;130 + 30 + 60 + 80= ( 130 + 30 ) + 60 + 80= 160 + ( 60 + 80 )= 160 + 140= 300Answer = 300
175
The result of the equation - 130 plus 80 plus 60 plus 30, is found as follows;130 + 80 + 60 + 30= ( 130 + 80 ) + 60 + 30= 210 + ( 60 + 30 )= 210 + 90= 300Answer = 300
80 + 90 + 100 + 110 = 380/4 = 95
30 + 80 = 110
30 + 25 + 15 + 25 = 95