Math, asked by rakshaprabhakaran, 3 months ago

An alloy consists of 7 parts of zinc, 33 parts of copper. Find the % of copper in
the alloy. How many grams of zinc is present in 20 gms of alloy?

Answers

Answered by Debejjyo

1

Step-by-step explanation:

Percentage of copper=

partsofcopper+partsofzinc

Partsofcopper

×100

=

33+7

33

×100

=

40

33

×100

=

2

165

=82.5

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