10. Linear Equations and Inequalities

Saphia's lunch bill was \$17.65. She wants to leave an 18% tip. How much should the tip be?

Carson bought some new sneaker on sale for \$250. The sale price was 65% of the original price. What was the original price?

If sales tax on a \$36 pair of shoes is \$1.26, find the sales tax on a \$250 pair of shoes.

Suppose the local sales tax rate is 6.5% and you buy a car for \$12,500. What is the car's total cost?

Hint: Find how much tax is due first.