70.14% of 799.95 - 240.12 = ? + 40.17% of 299.95
ATQ, 70.14% of 799.95 - 240.12 = ? + 40.17% of 299.95 70% of 800 - 240 ~ ? + 40% of 300 0.7 X 800 - 240 ~ ? + 0.4 X 300 560 - 240 ~ ? + 120 ? ~ 320 - 120 ? ~ 200
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