Quick Start Expectations Fill in planner and HWRS HW: CS p. 70-82 #1, 3, 5, 6, 8, 10, 11 Get a signature on HWRS On desk: journal, calculator, unit vocab sheet Warm Up Write in Journal: 1/7/15 Investigation 3: Mark-ups & Measures Vocabulary: Percentage table vs Rate table How can you find percentages of a value when you already know a certain percentage of the same value?

p. 62 How does Latasha know that 1% of the ticket price is $ .125? percent bar: How does Latasha know that 1% of the ticket price is $ .125? How does knowing that 1% of the ticket price is $ .125 help Latasha find the original price? How does knowing that 1% of the ticket price is $ .125 help Latasha find the total price of the ticket?

p. 63 Percent table:

p. 63

p. 64 Fill your percentage table:

S = $22, 550 Yes! Carla ‘s method will work. If the buying price = 100%, then the selling price = 10% + 100%.

100% 110% 20,500 S =

The customer’s spending limit is 105% of the maximum selling price. Yes, Huan is also correct. After he finds M he needs to add M to the buying price to find the selling price. The customer’s spending limit is 105% of the maximum selling price.

= = M = 10% (25% of 10% of $20, 500) M = 15% (20% of 15% of $20, 500) p. 65 M = 10% (25% of 10% of $20, 500) = M = 15% = (20% of 15% of $20, 500)

3% : 2.5% $6 : $5 Otto would pay Huan $6 for every $5 Carla would pay. 3% : 2.5% 1.2 : 1 Otto would pay Huan 120% of what Carla would pay.

B 100% $20,700 115% = $20,700 115% $180 1% B 100% = =

Yes, Huan is correct!

15% of $20,700 = $3,105 If there is a discount of 15%, the luxury sedan will have a selling price of: $20,700 - $3,105 = $17,595 Original buying price = $18,000 This is below the actual buying price! So there is NO markup.