Question

the ratio of weight of Copper and Zinc in brass is 13: 27 find the weight of zinc in a brass utensil weighing 700 gram

Answer 1

slon:
Let the weight of copper and zinc be 13xand 27x respectively
A/q,
13x+27x=700g
40x=700g
x=700/40
so, weight of zinc =700/40×13
=227.5g

Answer 2

Answer:

Step-by-step explanation:

13x+27x= 700

40x=700

x= 700/40

x= 17.5

Now zinc. Weigh = 13x

=13×17.5

=227.5

And brass= 27x

27 ×17.5

427.5

Now

Weight of utensil= 427.5- 227.5

= 245 gram

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