Math, asked by cnifsa, 11 months ago

The relative density of a metal is 20 and another is 9. In what ratio should we blend it to get relative density of the alloy 16?​

Answers

Answered by Fatimakincsem
0

The ratio in which they should be blend together is 7:4.

Step-by-step explanation:

Let the density of  1st metal be x and the 2nd metal be y.

According to the question.

20x + 9y/ x + y = 16

20x + 9y  = 16( x + y)

20x + 9y  = 16x + 16 y

20x - 16 x = 16y - 9y

4x  = 7y

x/y = 7/4

thus the ratio in which they should be blend together is 7:4.

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