document.write( "Question 972971: An item that sells for $145.99 has a sales tax of 10.22\r
\n" );
document.write( "\n" );
document.write( "Find a mathematical model that gives the amount of sales tax y in terms of the retail price x\r
\n" );
document.write( "\n" );
document.write( "Use the model to find the sales tax on a purchase that has a retail price x \n" );
document.write( "
Algebra.Com's Answer #595239 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "($10.22/$145.99)(100%)=7% \n" ); document.write( "y=sales tax; x=retail price \n" ); document.write( "y=0.07x \n" ); document.write( " |