A reduction of 20 in the price of rice enables

Asked by admin @ 03/08/2021 in Math viewed by 281 People

A reduction of 20% in the price of rice enables a person to buy 3.5 kg more

rice for Rs 385. The original price of rice is :| (a) Rs 20 per kg (6) Rs 22.50 per kg (c) Rs 25 per kg (d) Rs 27.50 per kg

Answered by admin @ 03/08/2021

Step-by-step explanation:

Given

A reduction of 20% in the price of rice enables a person to buy 3.5 kg more rice for Rs 385. The original price of rice is

Let the original price be x

So new price / kg will be 80 / 100 x x

= 4 x / 5

Now according to question

385 / 4 x / 5 – 385 / x = 3.5

= 1925 / 4 x – 385 / x = 3.5

= 1925 – 1540 / 4x = 3.5

14 x = 385

So x = 385 / 14

Or x = 27.5

Therefore original price of rice is Rs 27.5 / kg

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