Act 1

Is there really 20% more?
Write down a guess.
Act 2
3. What information would be useful to figure this out?
4. Write down some questions you have in your head right now.
Act 3
Sequel
5. How much money should the store charge for this bottle?

6. If the store charges $2.99 for a 40 ounce bottle, how much of a discount should they offer for the faulty product in this lesson?
Standards
Common Core
7.RP.A.3 - Use proportional relationships to solve multistep ratio and percent problems.
HSG.GMD.A.3 - Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems.
TEKS
7.4(D) - solve problems involving ratios, rates, and percents, including multi-step problems involving percent increase and percent decrease, and financial literacy problems
G.11(D) - apply the formulas for the volume of three-dimensional figures, including prisms, pyramids, cones, cylinders, spheres, and composite figures, to solve problems using appropriate units of measure