7.RP.A.3. Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.
- Anna in D.C.
- Buying Protein Bars and Magazines
- Chess Club
- Comparing Years
- Double Discounts
- Finding a 10% increase
- Friends Meeting on Bikes
- Gotham City Taxis
- How Fast is Usain Bolt?
- Lincoln's math problem
- Measuring the area of a circle
- Music Companies, Variation 2
- Sand Under the Swing Set
- Selling Computers
- Tax and Tip
- The Price of Bread
- Two-School Dance