3. Solving Word Problems

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.

A city's population grew from $120,000$ to $138,000$ people in one year. What is the percent increase in population?