80.08% of 1250.25 + 64.02% of 1200 = 24.02 × 36.025 + ?% of 2259.98
ATQ, 80.08% of 1250.25 + 64.02% of 1200 = 24.02 × 36.025 + ?% of 2259.98 ?% of 2260 + 24 × 36 ~ 80% of 1250 + 64% of 1200 ?% of 2260 + (30 – 6)(30 + 6) ~ 0.80 × 1250 + 0.64 × 1200 ?% of 2260 + 900 – 36 ~ 1000 + 768 ?% of 2260 ~ 904 ? ~ 904/2260 × 100 = 40%
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