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3 years ago

14

Expecting new arrivals, Ifa's Electronics laptops were marked down for 35 % off the initial price. A customer purchases a laptop

for $ 584.22. This includes a 7 % sales tax. Determine the initial price of the laptop.

1 answer:

Fittoniya [83]3 years ago

5 0

Answer: $835.88

Step-by-step explanation:

SP after 7% sales tax = 543.32

SP = MP (100 - d) / 100

543.32 = MP (100 - 35) / 100

543.32 = 0.65MP

MP = 835.88

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Step-by-step explanation:

As we know that it is conditional probability, where the probability of an event depends on the event that has certain probability of occurrence.

The formula for conditional probability is:

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Where a and B are events. The probability of event B is known and we also know probability of A∩B

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$P(A\ given\ B) = \frac{P(A and B)}{P(B)}\\= \frac{\frac{3}{10} }{\frac{2}{5} } \\=\frac{3}{10} *\frac{5}{2}\\=\frac{3}{4}$

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