document.write( "Question 538551: How much would he charge?\r
\n" ); document.write( "\n" ); document.write( "As his consulting fee Mr. Grave charges $90 for an 8 hour day. How much would he charge for 3 hours?
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Algebra.Com's Answer #353197 by fcabanski(1391)\"\" \"About 
You can put this solution on YOUR website!
Use a ratio: dollars/hours.


\n" ); document.write( "90/8 = x/3


\n" ); document.write( "Cross multiply.


\n" ); document.write( "8x=270


\n" ); document.write( "Divide by 8.


\n" ); document.write( "x = $33.75


\n" ); document.write( "Alternatively find his hourly rate.


\n" ); document.write( "$90/8 = $11.25 per hour.


\n" ); document.write( "Multiply that by the number of hours.


\n" ); document.write( "11.25 * 3 = $33.75.
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