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Nostrana [21]
3 years ago
8

While on vacation in Hillsboro, Diane went out for a dinner that cost $20. If sales tax in Hillsboro is 5% and Diane left a 20%

tip on $20, what was the total cost of her meal?
Mathematics
1 answer:
Tju [1.3M]3 years ago
3 0

Answer:

$25.20

Step-by-step explanation:

-If you add up the tax= 25%

-now multiply 1.25(you put 1.25 instead of 1 because it makes it easier than adding it later on and since you already have 100%, just add the 25% and convert it to a decimal)and $20

=25.20

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Answer:

a

    n=  75, 582

b

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c

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Step-by-step explanation:

     Generally the size of the sample sample space is  mathematically represented as

           n  =   \left N } \atop {}} \right.  C_r

Where   N is the total number of objects available and  r is the  number of objects to be selected

    So  for  a,  where N = 19  and r = 8  

         n  =   \left 19 } \atop {}} \right.  C_8 =  \frac{19 !}{(19 - 8 )! 8!}

                           =     \frac{19 *18 *17 *16 *15 *14 *13 *12 *11! }{11 ! \ 8!}

                           n=  75, 582

    For  b  Where  N  = 25 and  r  =  3

           n  =   \left 25 } \atop {}} \right.  C_3 =  \frac{25 !}{(19 - 3 )! 3!}

                             =     \frac{25 *24 *23 *22 !  }{22 ! \ 3!}

                             n=    2300

   For  c  Where  N  = 23 and  r  =  2

            n  =   \left 23 } \atop {}} \right.  C_2 =  \frac{23 !}{(23 - 2 )! 2!}

                              =     \frac{23 *22 *21!  }{21 ! \ 3!}

                              n =   253

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NEED ANSWER ASAP<br> MARKING BRAINLIEST
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b \times 3 < 200 \\ i \: don't \\ have \: a steric \:

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What is 93 divided by 7
igomit [66]
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13\2\7
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