70 + 80 + 70 + 30+ 80 + 80+ 80 = 490
Wiki User
∙ 2011-05-10 22:03:07Sarai Castanon
200
The result of the equation - 130 plus 80 plus 60 plus 70, is found as follows;130 + 80 + 60 + 70= ( 130 + 80 ) + 60 + 70= 210 + ( 60 + 70 )= 210 + 130= 340Answer = 340
The result of the equation - 70 plus 90 plus 60 plus 80, is found as follows; 70 + 90 + 60 + 80 = ( 70 + 90 ) + 60 + 80 = 160 + ( 60 + 80 ) = 160 + 140 = 300 Answer = 300
The result of the equation - 130 plus 70 plus 60 plus 80, is found as follows;130 + 70 + 60 + 80= ( 130 + 70 ) + 60 + 80= 200 + ( 60 + 80 )= 200 + 140= 340Answer = 340
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 -------- 150
95 + 80 + 80 + 30 = 285
the sum for 20 + 40 + 70 + 80 = 210
80 - 10 = 30 + 40Both sides of the sum now equal 70.
30+70 = 100
100 + 30 + 80 = 210
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