7. An alloy consists of 7 parts of zinc and 33 parts of copper. Find the percentage of copper in the alloy
Answers
Answered by
2
Answer:
Answer
Percentage of copper=
partsofcopper+partsofzinc
Partsofcopper
×100
=
33+7
33
×100
=
40
33
×100
=
2
165
=82.5
Answered by
0
% of Zinc in the alloy
= (no.of.parts of Zn in the alloy)/(total no.of.parts in the alloy) × 100
= (7)/(7+33) × 100
= (7/40) × 100
= (7/2) × 5
= 17.5%
Similar questions