Question

7.5 gm of an alloy of copper and zinc contains 4.5 gm of zinc. What weight of zinc will be these in 25 gm of the alloy? hhkvch​

Answer 1

Answer:

Given that :

1) 4.5 grams of alloy gives 3.5 grams of copper.

Then,

2) Let 18.9 grams of alloy gives y grams of copper.

Let, required weight beY.

Y = (18.9×3.5)÷(4.5)

Y = 14.7 grams

So,

Required weight of copper is 14.7 grams.

Step-by-step explanation:

hope it helps

Answer 2

Answer:

Weight of zinc 15g (bold 12-q 2o ogaksg ihshshisgdjdvsajvssbsbh) it is for complete the answer