12. A pack of cinnamon-scented pencils sells for $4.00. What is the sales tax rate if the total cost of the pencils is $4.32?
13. How can you solve problems involving percents?

Respuesta :

Answer:

12) tax rate is 8%

13) convert percent to decimal format

Step-by-step explanation:

12)   4.32/4.00 = 1.08

1.08 - 1 = 0.08

0.08 * 100 = 8%


13) Convert all % to decimal format.

Do this by dividing the percent by 100

e.g. 10% = 10/100 = 0.10


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