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Mathematics 21 Online
OpenStudy (anonymous):

Sterling silver is made of an alloy of silver and copper at a ratio of 37:3. If the mass of a sterling silver bracelet is 420 grams, how much silver does it contain? Medal + Fan Please show the work.

OpenStudy (campbell_st):

well flip the ratios and \[\frac{3}{37} = \frac{c}{420}\] just solve for c

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