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harina [27]
3 years ago
6

An item that costs $50.00 is marked 20% off. Sales tax for the item is 8%. What is the final price, including tax? Show your wor

k.
a. solve the problem with the discount applied before the sales tax.
b. solve the problem with the discount applied after the sales tax.
c. compare your answers in parts (a) and (b). Explain
Mathematics
2 answers:
12345 [234]3 years ago
7 0

Answer:

a)  40 dollars

b) 43.20 dollars

c)  In Part A the instructions tell you to find the 20% in the 50 dollars But in  part B  it tells you to solve the problem with the discount applied after the sales tax.

Step-by-step explanation:

AysviL [449]3 years ago
5 0

Answer:

$40 ; $43.20

Step-by-step explanation:

a) 50 * (1 - .20) = 50 * .8 = 40

b) 50 * (1 - .20) * (1 + .08) = 43.20

c) The sales tax increases the price from a by 8%

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If z^2+1/z^2=11 , find the value of z^3-1/z^3,using only the positive value of z-1/z
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Hello,

Let's assume

t=z- \dfrac{1}{z} \\\\

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