wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

4.5 g of an alloy of copper and zinc contains 3.5 g of copper. What weight of copper will there be in 18.9 g of the alloy?

Open in App
Solution

Let the weight of copper be x g.
​Then, 4.5:3.5::18.9:x
Product of extremes = Product of means
4.5 × x = 3.5 × 18.9
⇒ x = 66.15 = 14.7
4.5
So, the weight of copper is 14.7 g.

flag
Suggest Corrections
thumbs-up
10
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Simple Pendulum
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon