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Montano1993 [528]
3 years ago
5

Natalie purchased a used car for $12, 200 and had to pay 83 % sales tax. How much tax did she pay?

Mathematics
1 answer:
Fynjy0 [20]3 years ago
3 0

Answer:

$5,533.33

Step-by-step explanation:

83% sales tax seems a lot, but ok.. anyway...i'm assuming that this is correct.

the final amount that she paid is made up of 2 parts:

100% of the car's price (list price of the car) + 83% of the cars price in taxes

if we add these together, that means she paid

100% + 83% = 183% of the car's price. We are told that this number is $12,200

hence,

183% --------> represents $12,200

1% ------------> represents $(12,200 ÷ 183)

amount in taxes = 83% -------> represents $(12,200 ÷ 183) x 83 = $5,533.33

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Answer this please it’s for algebra 2
Sergeu [11.5K]

Part a)

P(junior) = (number of juniors)/(number total)

P(junior) = 235/705

P(junior) = 1/3 exactly

P(junior) = 0.33333 approximately

======================================

Part b)

P(freshman and LG) = (number of freshman who have LG)/(number total)

P(freshman and LG) = 70/705

P(freshman and LG) = 14/141 exactly

P(freshman and LG) = 0.09929 approximately

======================================

Part c)

n(junior) = number of juniors = 235

n(samsung) = number of people who have samsung = 274

n(junior and samsung) = number of juniors who have samsung = 93

----

n(junior or samsung) = n(junior)+n(samsung)-n(junior and samsung)

n(junior or samsung) = 235+274-93

n(junior or samsung) = 416

----

P(junior or samsung) = n(junior or samsung)/n(total)

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P(junior or samsung) = 0.59007 approximately

======================================

Part d)

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n(apple) = number of students who have apple

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P(sophomore | apple) = 0.30651 approximately

======================================

Part e)

define the events

A = junior who has apple

B = junior who has samsung

C = person is a junior

n(A or B) = number of juniors who have apple or samsung

n(A or B) = n(A) + n(B) ... A and B assumed mutually exclusive

n(A or B) = 87+93

n(A or B) = 180

n(C) = 235

P( (Apple or Samsung) | Junior ) = n(A or B)/n(C)

P( (Apple or Samsung) | Junior ) = 180/235

P( (Apple or Samsung) | Junior ) = 36/47 exactly

P( (Apple or Samsung) | Junior ) = 0.76596 approximately

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