Question

One-fifth a litre of mustard oil and half a litre of milk cost Rs 31 , while half a litre of mustard oil and one-third a litre ofilk cost Rs 44.50.Find the price of mustard oil and milk per litre.

Answer 1

Answer:

MO = Rs 65 per Litre

CM = Rs 36 Per Litre

Step-by-step explanation:

MO - Mustard Oil  CM - Cow Milk

MO/5 + CM/2  = 31

2MO + 5CM = 310  - Equation 1

MO/2 + CM/3  = 44.5

3MO + 2CM = 267  Equation 2

Multiply Equation 1 by 3 and subtract Equation 2 after multiplying by 2

15CM - 4CM = 930 - 534

11 CM = 396

CM = 36

Putting CM = 36 into Equation 1

2MO + 180 = 310

2MO = 130

MO = 65

Answer 2

Answer:

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