Proportions vs. Percent Equations Two Sides of the Same Coin POD Remember that a proportion deals with the equality of two ratios. Now YOU try it. What is a percent equation? In class problems: Define Percent Equation using p. 456 of your textbook Take a look at this proportion: 12 8 2x+12 24 = Can the 12 and 24 cancel?
Explain. (zoom back out to see the proportion if needed) Is there another way to simplify this problem before cross multiplying? complete with you neighbor and turn in ONE sheet together! Question #2 Question #1 Do you have to use cross products to solve this proportion? Question #3 #4 - SOLVE the proportion TWO different ways! (hint: the book uses a slightly different name for this concept...) FIRST: SECOND: Amount Base % 100 = Convert the proportion below into a percent equation: Percent Equation ...write it down!
