# A pack of cinnamon scented pencils sells for \$4.00. What is the sales tax rate of the total cost of the pencils is \$4.32

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## Question:

A pack of cinnamon scented pencils sells for \$4.00. What is the sales tax rate of the total cost of the pencils is \$4.32

To get the answer we can use proportion. We know that 4\$ its 100% and 4.32 its 100% + taxes.
4\$ ———- 100%
4.32 ——– x
crossmultiply now
4x=4.32*100%
4x=432%     /:4
x=108%
We know that 4.32 its 100% + taxes=108% so to get taxes we have to subtract 108-100.