An alloy of tin and copper consists of 15 parts of tin and 105 parts of
copper . Find the percentage of copper and tin in an alloy.
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Answer:
alloy consist the total 120 parts of tin and copper
tin have 15 parst in alloy and copper have 105 parts in alloy
% of tin = 15/120 *100
= 1/8 *100 = 0.125* 100 = 12.5 % of tin
% of copper = 105 /120 *100 = 7/8 *100
= 0.875 *100 = 87.5 % of copper
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