Question

1 kg of cashews costs Rs 100 and 1 kg of walnuts costs Rs 120 if a mixture of cashews and walnuts is sold at Rs 105 per kg then what fraction of the total mixture are walnuts​

Answer 1

Answer:

let the fraction of walnut be x

than , cashews will be = 1-x

100(1-x) + 120x = 105

100-100x+120x = 105

20x = 5

x = 1/4 = 0.25

hope it helps

Answer 2

Step-by-step explanation:

Assume'x' kg of walnuts are in the mixture.

Since the mass of the mixture is 1kg, this implies that the mass of cashews (1-x).

Now, cost of (1-x) kg of walnuts is (1-x) multiplied by120 and cost of x kg of cashews is (1-x) multiplied by 100.

The mixture has a mass of 1kg and costs Rs 105. Let's set up the equation.

120*x+(1-x)*100 = 1*105

20x-100 =105

20x = 5

x= 0.25

So, the mixture contains a quarter kg of walnuts and three quarters kg of cashews.

Hence, the total mixture contains a quarter of walnuts.