Homework Help: College Algebra

Posted by Jrich on Friday, August 26, 2011 at 9:12am.

A merchant blends tea that sells for $5.45 a pound with tea that sells for $2.45 a pound to produce 80 lb of a mixture that sells for $3.95 a pound. How many pounds of each type of tea does the merchant use in the blend?
lb (at $5.45/lb)
lb (at $2.45/lb)

College Algebra - bobpursley, Friday, August 26, 2011 at 9:39am
ET is lbs of expensive tea
CT is cheap tea.

ET*5.45+CT*2.45=(80)3.95

but ET=(80-CT)
put that into the equation for ET, solve for CT. THen solve for ET

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