Module #2: Proportional Reasoning with Percents

The iPhone 12 when it originally released was priced at $900. After a successful first week, Apple decided to increase the price to $990. What is the percent increase of the price?

When the iPhone 12 became available the iPhone 11 dropped in price. The price went from $850 to $725. What is the percent decrease in the price?

For the beginning of 2021, Hulu is running a special 20% discount to get more subscribers. Hulu Premium originally costs $13 per month. What is the discounted monthly cost?

The price of a car was marked up by 5%. If the original cost of the car was $20,500. Was is the cost with the markup?

A large family went out to a steak dinner and the bill was $225. The family plans to leave a 20% tip. What is the cost of the meal with the tip included?

While walking around an art gallery, you see a painting that catches your eye. The painting costs $200 plus tax. If the tax is 7.25% - what is the cost of the item including tax?

CHALLENGE: While shopping at the mall, you purchase a phone case for $20.00 plus a 5% tax. When you get up to the register to pay, you see there is a 15% discount on the item. How much would you pay for the item, including the discount and the tax? (apply the discount first)