522 + 160% of 80 - 130 = ? X 13
ATQ, 522 + 160% of 80 - 130 = ? X 13 Or, 522 + 1.6 X 80 - 130 = ? X 13 Or, 522 + 128 - 130 = ? X 13 Or, ? X 13 = 650 - 130 So, ? = (520 ÷ 13) = 40
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