document.write( "Question 779180: Cost of training a puppy for 10 days is $349.99. For a brief period of time, the trainer offered a discount of 23% on his usual training fee. If the training fee during this time was $379.98, what is the usual profit for the trainer? \n" ); document.write( "

Algebra.Com's Answer #475114 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+f+\"$ = the usual fee to train puppy
\n" ); document.write( " $\"+f+-+.23c+\"$ = the discounted cost
\n" ); document.write( " $\"+f+-+.23c+=+f%28+1+-+.23+%29+\"$
\n" ); document.write( " $\"+f%28+1+-+.23+%29+=+.77f+\"$
\n" ); document.write( "---------------------------
\n" ); document.write( "given:
\n" ); document.write( " $\"+.77f+=+379.98+\"$
\n" ); document.write( " $\"+f+=+493.48+\"$
\n" ); document.write( "--------------------
\n" ); document.write( "The usual profit is
\n" ); document.write( " $\"+493.48+-+349.99+=+143.49+\"$
\n" ); document.write( "$143.498
\n" ); document.write( "-----------
\n" ); document.write( "The problem could have been worded better.
\n" ); document.write( "It should have said \" the cost to the trainer
\n" ); document.write( "of training a puppy for 10 days is $349.99
\n" ); document.write( " \n" ); document.write( "

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