document.write( "Question 130903This question is from textbook ALGEBRA FOR COLLEGE STUDENTS MARK DUGOPOLSKI
\n" ); document.write( ": PLEASE HELP ME WITH THIS PROB. ITS DUE IS TOMORROW AND IT IS EQUIVALENT TO A QUIZ!
\n" ); document.write( "on monday headley paid $1.70 for two cups of coffee and one doughnut including the tip. On tuesday he paid $1.65 for two doughnuts and a cup of coffee, including the tip. On wednesday he paid $1.30 for one coffee and one doughnut, including the tip. If he always tips the same amount, then what is the amount of each item?Thank for your help!
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Algebra.Com's Answer #95607 by edjones(8007)\"\" \"About 
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1.70-1.30=.40 cost of a cup of coffee.
\n" ); document.write( "1.65-1.30=.35 cost of a donut.
\n" ); document.write( "1.30-40-.35=.55 tip
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