0
Anonymous
150 + 200 + 100 + 130 = 580
Wiki User
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100 plus 50=150. 150+20=170.
(150 + 200 + 100 + 130) ÷ 4 = 145
Average = (150+200+100+130)/4 = 580/4 = 145
100 + 50
150 + 100 = 250