document.write( "Question 186265: a tea shop sells grea tea for $4.00 a pound and a white tea for $2.75 per pound. the manager decides to combine the two types of teas to make a mix that sells for $3.50 per pound. the mis should not cause any change in revenue. how much of each tea should combine to make a 10 pound mixture \n" ); document.write( "

Algebra.Com's Answer #139616 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"g\"$ = pounds of green tea needed
\n" ); document.write( "Let $\"w\"$ = pounds of white tea needed
\n" ); document.write( "given:
\n" ); document.write( "(1) $\"g+%2B+w+=+10\"$ lb
\n" ); document.write( " $\"4g+%2B+2.75w+=+3.5%2A10\"$ dollars
\n" ); document.write( "(2) $\"4g+%2B+2.75w+=+35\"$
\n" ); document.write( "Multiply both sides of (1) by $\"4\"$ and
\n" ); document.write( "subtract (2) from (1)
\n" ); document.write( "(1) $\"4g+%2B+4w+=+40\"$
\n" ); document.write( "(2) $\"-4g+-+2.75w+=+-35\"$
\n" ); document.write( "(3) $\"1.25w+=+5\"$
\n" ); document.write( "(3) $\"w+=+4\"$
\n" ); document.write( "and
\n" ); document.write( "(1) $\"g+%2B+w+=+10\"$
\n" ); document.write( "(1) $\"g+%2B+4+=+10\"$
\n" ); document.write( "(1) $\"g+=+6\"$
\n" ); document.write( "4 pounds of white tea and 6 pounds of green tea are needed \n" ); document.write( "

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