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Last updated at Sept. 26, 2018 by Teachoo
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Ex 12.3, 2 Ekta earns Rs 1500 in 10 days. How much will she earn in 30 days? Ekta’s earning in 10 days = Rs 1500 Ekta’s earning in 1 days = Rs 1500/10 Ekta’s earning in 30 days = Rs 1500/10 × 30 = Rs 1500 × 30/10 = Rs 1500 × 3 = Rs 4500 ∴ Ekta earns Rs 4500 in 30 days
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