A reduction of 10%...A reduction of 10% in the price of sugar would enable a man to buy 2kg of sugar more for Rs. 125. Find the reduced price per kg.My attempt: Let the initial price of sugar be Rs. x kg. Price after 10% reduction x − 10 % x = 9 x 10 Now, I could not understand the other conditions.

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A reduction of 10%...A reduction of 10% in the price of sugar would enable a man to buy 2kg of sugar more for Rs. 125. Find the reduced price per kg.My attempt: Let the initial price of sugar be Rs. x kg. Price after 10% reduction  x  −  10  %     x  =            9      x        10  Now, I could not understand the other conditions.

Allyson Gonzalez · Accepted Answer

Let       P    0   denote the initial price per kg and       P    F   denote the price after the reduction in   10  %, then                    (1)                              P          F                =        0.9                  P          0                .            Let       Q    0   denote the number of kgs that the man could buy when the price was       P    0   and       Q    F   denote the number of kgs that the man can buy when the price is changed to       P    F  . We know three things about this:                    (2)                              Q          F                −                  Q          0                =        2                            (3)                              P          0                          Q          0                =        125                            (4)                              P          F                          Q          F                =        125            Substituting (2) into (4) we get      P    F    (      Q    0    +  2  )  =  125      ⇒          P    F    (      Q    0    +  2  )  =  125  ,now, substitute       Q    0   from   (  3  ) to get      P    F        (          125              P        0              +    2    )    =  125      ⇒      125            P      F              P      0        +  2      P    F    =  125  .Finally use   (  1  ) to get  0.9  ∗  125  +  2      P    F    =  125      ⇒          P    F    =            0.1      ∗      125        2    .

Regina Ewing · Accepted Answer

The price is Rs/kg. If you pay attention to the units it can guide you. He can initially buy       125    x   kg of sugar. After the reduction, how much can he buy? The difference of these is   2 kg.

A reduction of 10%... A reduction of 10% in the price of sugar would enable a man to buy 2kg of sug

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