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School P: Boys = 1,200 * (48 / 100) = 576 Girls = 1,200 * (52 / 100) = 624 Total cost for boys in School P = 576 * 500 = ₹288,000 Total cost for girls in School P = 624 * 450 = ₹280,800 Total annual cost for School P = ₹288,000 + ₹280,800 = ₹568,800 Calculate total costs for all schools: School Q: Boys = 660 * 500 = ₹330,000; Girls = 540 * 450 = ₹243,000; Total = ₹573,000 School R: Boys = 720 * 500 = ₹360,000; Girls = 480 * 450 = ₹216,000; Total = ₹576,000 School S: Boys = 600 * 500 = ₹300,000; Girls = 600 * 450 = ₹270,000; Total = ₹570,000 School T: Boys = 636 * 500 = ₹318,000; Girls = 564 * 450 = ₹253,800; Total = ₹571,800 Combined total cost = ₹568,800 + ₹573,000 + ₹576,000 + ₹570,000 + ₹571,800 = ₹2,859,600 Percentage cost of School P = (568,800 / 2,859,600) * 100 = 19.88% ≈ 20%
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