Question

@mathslover

Answer 1

proportion

Answer 2

Let the Amount of Zinc be 3 and Amount of Copper be 17.

Given, later it is found that Amount of Copper = 476 lb.

That is, it becomes 28 times.

So the Amount of Zinc will also become 28 times. = 28 * 3 = ?.

Answer 3

\[\frac{ 3 }{ 17 }=\frac{ x }{ 476 }\]

Answer 4

84

Answer 5

Right :)

Answer 6

yep