0
Anonymous
70
Wiki User
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60 + 60 + 60 + 50 + 50 + 40 + 30 = 350
10 plus 20 plus 30plus 40 plus 50 equals 150 because 50 plus 40 equals 90 plus 30 =120+20= 140 then + 10 = 150
286
40
The answer is: 20/2 plus 30 = 40