document.write( "Question 126163This question is from textbook
\n" ); document.write( ": Oolong tea sells for $19 per pound. How many pounds of Oolong should be mixed with regular tea selling at $4 per pound to produce 50lb of tea selling for $7 per pound? \n" ); document.write( "

Algebra.Com's Answer #92469 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"x\"$ = pounds of oolong tea
\n" ); document.write( "Let $\"y\"$ = pounds of regular tea
\n" ); document.write( " $\"19x+%2B+4y+=+50%2A7\"$
\n" ); document.write( " $\"x+%2B+y+=+50\"$
\n" ); document.write( " $\"y+=+50+-+x\"$
\n" ); document.write( " $\"19x+%2B+4%2850+-+x%29+=+350\"$
\n" ); document.write( " $\"19x+%2B+200+-+4x+=+350\"$
\n" ); document.write( " $\"15x+=+150\"$
\n" ); document.write( " $\"x+=+10\"$
\n" ); document.write( " $\"y+=+50+-+x\"$
\n" ); document.write( " $\"y+=+40\"$
\n" ); document.write( "10 pounds of oolong tea should be mixed
\n" ); document.write( "with 40 pounds of regular tea
\n" ); document.write( "check answer
\n" ); document.write( " $\"19x+%2B+4y+=+50%2A7\"$
\n" ); document.write( " $\"19%2A10+%2B+4%2A40+=+350\"$
\n" ); document.write( " $\"190+%2B+160+=+350\"$
\n" ); document.write( " $\"350+=+350\"$
\n" ); document.write( "OK \n" ); document.write( "

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