65 ! amy works at the apple store at a commission rate of 3%. ipads are 18% off on mac mondays. she a customer who buys, 2 ipads originally priced at $499, and an iphone priced at $575. if all purchases are made on mac monday and the sales tax rate is 8.875 what is the total amount the customer will pay? students answer- $575 + 499 + 499 = 1573 times 1.0875 = $1710.64 identify the students mistake in the given answer. then explain why the answer is incorrect and give the correct way to do it.

Step-by-step explanation:

iPads are 18% off on the day of purchase, so they should be charged at ...

   100% -18% = 82%

of full price. The sum shown includes two iPads at $499 each, without any discount. The total price is too high by $179.64.

The tax rate is given as 8.875%, so the multiplier on price will be ...

  100% +8.875% = 108.875% = 1.08875

The multiplier used by the student in the problem is 1.0875, so is too low.

A correct computation could be written as ...

  ($575 + 2×499×0.82)×1.08875 ≈ $1517.02

d. corresponding side lengths in similar triangles are proportional in length.

step-by-step explanation:

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