document.write( "Question 901331: A resturant patron has decided to leave a 15% tip for meals costing up to $40, an 18% tip for meals costing at least $40 but less than $100, and a 20% tip for meals costing $100 or more. Write a piecewise function to describe the total amount t the patron will pay in terms of the meal cost c.\r
\n" ); document.write( "\n" ); document.write( "The answer sheet has the answer as t(c)= {1.15c and so on
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\n" ); document.write( " { 1.18c and so on
\n" ); document.write( "I don't understand why they have a 1 before the decimal. Isn't 15% only 0.15 and not 1.15?
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Algebra.Com's Answer #546676 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "c is the bill
\n" ); document.write( ".15c is just the tip without paying the bill
\n" ); document.write( "1.15c is adding the tip to the bill\r
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