1. Do Now- Copy the following definitions ** 6 mins until this slide is removed** Interest- is the charge for the privilege of borrowing money, typically expressed as annual percentage rate. Sales Tax- a tax on goods and services purchased and is normally a certain percentage added to the buyer's cost. Discount - is a percentage that is subtracted from a number. Left Side of Notes Right Side of Notes

2. Table of Contents Title Date Interest, Tax, and Discount 1/5 Start on new page!

3. Table of Contents Title Date Interest, Tax, and Discount 1/5 **Do not draw this** Fold your page this way only if your table of contents is in the middle of your notebook Start on new page!

4. **You do not have to copy this**

5. All Right Side of Notes Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5

6. All Right Side of Notes Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5 123%=

7. All Right Side of Notes Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5 123%=1.23 All Right Side of Notes

8. Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5 123%=1.23 3%= All Right Side of Notes

9. Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5 123%=1.23 3%= 3. All Right Side of Notes

10. Interest, Tax, and Discounts are usually percentage amounts Converting from a % to a decimal… Move the decimal two spaces to the left. 50% = 50. =.5 123%=1.23 3%= 0 3.=.03 All Right Side of Notes

11. Convert from % to decimal 1)65% 2)432% 3)5.3% 4)90% 5).3%

12. Convert from % to decimal 1)65%=.65 2)432%=4.32 3)5.3%=.053 4)90%=.9 5).3%=.003 Convert from % to decimal

13. Finding the % of a number 50% of 60

14. Finding the % of a number 50% of 60.5(60) = 30 Finding the % of a number

15. 50% of 60 30% of 50.5(60) = 30.3(50)=15 Finding the % of a number

16. 50% of 60 30% of 50 45% of 80.5(60) = 30.3(50)=15 Finding the % of a number

17. 50% of 60 30% of 50 45% of 80.5(60) = 30.3(50)=15.45(80)=36 Work for last problem: 80 x.45 400 +3200 36.00 Finding the % of a number

18. 1)15% of 30 2)25% of 48 3)12% of 40 4)16% of 70 5)18% of 83 Finding the % of a number

19. 1)15% of 30= 4.5 2)25% of 48= 12 3)12% of 40= 4.8 4)16% of 70=11.2 5)18% of 83=14.94 Finding the % of a number

20. Write a 3+ sentence summary describing what we did today

21. TOD 50% of 40 30% of 120