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Firlakuza [10]
3 years ago
12

65 POINTS!!! The price of an Ipad is $499. It is on sale for 18% off at the Apple Store on Mac Monday's. Find the Sales price yo

u will pay plus an 8.875 sales tax rate. Explain and demonstrate the steps involved to answer this question.
Students answer- 499 times 0.18 = 89.82 499+89.82 = 588.82 Total 588.82 + 8.50 = $597.32

Explain what mistake did the student make and why are they incorrect? Then explain how to answer the quessstion the correct way.
Mathematics
1 answer:
sineoko [7]3 years ago
6 0

Answer:

The student added the discount instead of subtracting the discount.

They also did not calculate the tax correctly.

Step-by-step explanation:

Original price is 499

Discount = original price * percent off

Discount = 499 * .18

               =89.82

The sale price = original price minus the discount

sale price = 499-89.82

sale price = 409.18

Sales tax = sale price * tax rate

                = 409.18 * 8.875%

                =409.18*.08875

                 =36.314725

Rounding to the nearest cent

                     36.31

Final cost = sale price + sales tax

                  =409.18+36.31

                   445.49

The student added the discount instead of subtracting the discount.

They also did not calculate the tax correctly.

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