State sales tax y is directly proportional to retail price x. An item that sells for 186 dollars has a sales tax of 14.42 dollars. Find a mathematical model that gives the amount of sales tax y in terms of the retail price x. What is the sales tax on a 250 dollars purchase?
"assignmentexpert.com" is professional group of people in Math subjects! They did assignments in very high level of mathematical modelling in the best quality. Thanks a lot
Comments