The old weight of 2 dozen gold bars and 3 dozen silver bars is 960 gms. if the weight of a silver bat is 10gms, what is the weight of a gold bat?

The old weight of 2 dozen gold bars and 3 dozen silver bars is 960 gms. if the weight of a silver bat is 10gms, what is the weight of a gold bat?

A 20

B 22

C 24

D 25

Solution

Correct Answer: Option D

let the weight of gold bar = x

3×12×10+2×12×x=960

x=25