unit 2 ratios and proportions.notebook...unit 2 ratios and proportions.notebook 1 january 15, 2015...
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Unit 2 Ratios and Proportions.notebook
1
January 15, 2015
In part a, taking 30% off means we paid $140. In part b, taking 20% and then 10% off means we pay $144. These are not the same.
She could have labeled the rows 15 or the columns 5,10,15,20 etc. She could have used a 10x10 grid instead.
Unit 2 Ratios and Proportions.notebook
2
January 15, 2015
Alyssa scored 16 out of 20. This is equal to 80 out of 100, or 80% when multiplied by the constant 20. This means she did not score the 90% necessary to earn an A.
Unit 2 Ratios and Proportions.notebook
3
January 15, 2015