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

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 smartphone originally costs \$800. It is on sale for \$680. Calculate the percent decrease in price.

Last season, a farmer harvested 500 kg of rice. Due to improved techniques, the harvest is estimated to increase by 20% this season. How much rice is the farmer looking to harvest this season?

A reservoir's water level decreased by 20% over the summer due to evaporation. If the water level is currently at 120 million liters, how much water was there initially?

A square garden has sides of 8 ft. The gardener reduces each side by 1 ft to make space for a pathway. What is the percent decrease in the perimeter of the garden?