Respuesta :

It costs $122.4 dollars before the increase.

How to calculate percentage of a number. Use the percentage formula: P% * X = Y

  • Convert the problem to an equation using the percentage formula: P% * X = Y.
  • P is 17%, X is 7.20, so the equation is 17% * 7.20 = Y.
  • Convert 10% to a decimal by removing the percent sign and dividing by 100: 10/100 = 0.10.

Therefore, It costs $122.4 dollars before the increase.

Learn more about Finding the Percentage here:

https://brainly.com/question/24862040

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