Question

1. A reduction of 10% in the price of wheat would enable a man to buy 2 kg more in 30. Find the
reduced price and original price of wheat.​

Answer 1

Answer:

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Step-by-step explanation:

Here 10% is 10:100 or 1:10(in fractions)

A reduction of 10% in the price implies that if there was a total of 10 parts of money then 1 part of money was reduced.

Initial---------------------after change

Price: 10parts—————-(10–1)=9parts

As a result of it if consumption was 9 parts then consumption is increased by 1 part.

Consumption: 9parts————(9+1)=10parts

Also given that

For 1 part change in price—————— 2kg more wheat can be purchased.

1part—————2kg

(Above is just to get relation how many parts are equivalent to how many kg)

10 parts of wheat------------10*2=20kg

9parts of wheat———————9*2=18kg

Price analysis:

Earlier

18kg----------Rs 30=>30/18=Rs1.667/kg

After reduction in the price

20kg————Rs 30=> 30/20=Rs1.5/kg