Question

An alloy contains Copper and Zinc in ratio of of 2 ratio 11 ? find the weight of copper in the alloy comma if it has 28.6 gram of zinc .​

Answer 1

Answer:

Copper : Zinc

     2     :    11

    x      :    28.6

Look at the picture

so the Zinc =5.2 gram

Step-by-step explanation:

Answer 2

Answer:

5.2 grams or 5 1/5  grams

Step-by-step explanation:

Let zinc be 11x.

Let copper be 2x.

Therefore 11x= 28.6 grams

Therefore x= 28.6/11= 2.6

Therefore copper= 2.6 x 2 = 5.2 grams or 5 1/5 grams