Question

The ratio of copper and zinc in an alloy is 6:5. If the weight of the copper
in the alloy is found to be 20.22 gm, then the weight of zinc in the alloy
is ___________
(C) 16.85gm
(D) 19gm
(B) 17.25gm
(A) 15.75gm
(E) None of these​

Answer 1

Answer:

16.85 (A)

Step-by-step explanation:

let the weight of zinc be x

6/5 = 20.22/x

x=(20.22 * 5) /6

x=101.1/6

x=16.85 grams