Sunita sold a bangle for Rs 4500 and lost 10%. What was the price at which she bought it? pls tell me with explanation and with statement pls tell me
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SP = rs. 4500
loss = 10%
90/100 of CP = rs. 4500
⇒90/100 * CP = rs. 4500
∴CP = 4500 ÷ 90/100
= 4500 * 100/90
= rs. 5000
20% of rs 5000 = 20/100 * 5000
= rs. 1000
∴ to gain 20 % he should sell it at rs. 5000 + rs. 1000 = rs 6000
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