Question

an alloy is made with 3 gram of silver 18 gram of copper 6 gram of aluminium and three Gram of zinc find what part of the total is used for each metal?
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Answer 1

Answer:

see explanation

Step-by-step explanation:

total parts = 3 + 18 + 6 + 3 = 30

3 grams of silver = $\frac{3}{30}$ = $\frac{1}{10}$

18 grams of copper = $\frac{18}{30}$ = $\frac{3}{5}$

6 grams of aluminium = $\frac{6}{30}$ = $\frac{1}{5}$

3 grams of zinc = $\frac{3}{30}$ = $\frac{1}{10}$