Question

A producer of tea blends two varieties of tea from two tea gardens one costing Rs 18 per kg and another Rs 20 per kg in the ratio 5 : 3. The sells the blended variety at Rs.21 per kg, then his gain percent is:​

Answer 1

Answer:

12%

Step-by-step explanation:

Let 'x' be the cost of the first variety of rice and 'y' the cost of the second one.

So, 5x + 3y = the cost of blended variety of rice for 8kg(5kg+3kg = 8kg).

We can take 5 and 3 as kg or any other unit as it does not matter (as it gets canceled)

Therefore, 5*18 + 3*20

                 = 90 + 60

                 = 150  ( Cost of 8kg blended rice )

The selling price of blended rice for 8kg = 21*8

                                                                    = 168

Gain % = ((S.P. - C.P.)/C.P)*100

            = (18/150)*100

            = 0.12*100

            = 12%