Idifiekfi Idifiekfi
  • 20-01-2015
  • Mathematics
Answered

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?

Answer :

macio06 macio06
  • 20-01-2015
To get the answer we can use proportion
4.32-----------x
4 ---------------100%
crossmultiply now
4.32*100=4x      
432=4x         /:4
108%=x
Now we have to subtract 108%-100%=8% - its tax rate
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