94
Wiki User
∙ 12y ago100+500=600
120+80
30+600+630
330 + 60 = 390
280+400
300 + 60
280 + 500 = 780
100+500=600
That equals 559. If you have to, estimate 210 + 350 = 560
Not in this case.
301
80+30
83+34
120+80
650 + 290 = 940
30+600+630
330 + 60 = 390