Question 1016756
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T=amount of 12%; F=amount of 14%; x=percent clay (as decimal)
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0.12(T)+0.14(F) = x(F+T)
(0.12)(9oz)+(0.14)(5oz)=x(14oz)
1.08oz clay +  0.70oz clay = x(14oz)
1.78oz clay=x(14oz)
(1.78 oz/14oz)=x
0.127=x
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ANSWER: The mixture is 12.7% clay.
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