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Mathematics 11 Online
OpenStudy (anonymous):

An alloy of tin is 15% tin and weighs 20 pounds. How many pounds of tin are in the alloy? 3 lb 15 lb 20 lb

OpenStudy (anonymous):

\[\frac{ 15 }{ 100 }*\frac{ x }{ 20 }\]cross multiply and you should get your answer ^^

OpenStudy (anonymous):

thank you!!

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