document.write( "Question 938717: I bought pizza and pop for 3 friends. If I spent $ 30 and had to pay a 15% tip, what was the tip? \n" ); document.write( "
Algebra.Com's Answer #571893 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
15% = 15/100 = .15
\n" ); document.write( "\".15%2A30%29\" = $4.50
\n" ); document.write( "
\n" );