Seudónimo Seudónimo
  • 01-04-2017
  • Mathematics
contestada

You find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42.

Write an equation you can use to find the sales tax rate .
An equation is 42=__

Respuesta :

Аноним Аноним
  • 01-04-2017
42 = 40(x-1) + 40

x-1 will be equal to the sales tax rate in this equation. 
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