Question

2.
The price of a diamond varies according to the square of its weight. The price of gold is
directly proportional to its weight. Three rings of equal weight, each composed of a diamond
and gold are priced at a,b and c. The diamonds in them weigh 3, 4 and 5 gms respectively.
What is the value of diamond of 1 gm?
1)a+c+d/2
2) a+c-2b
3)a+c/2-b
4) none of these​

Answer 1

Step-by-step explanation:

3)a+c/2-b is the answer

Hope its help..

Answer 2

hope it's help

answer- option 3 is correct

a+c/2-b