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OLga [1]
3 years ago
6

2. The table shows the prices of some breakfast items at a restaurant. Sara ordered 2 eggs, a slice of bacon, and

Mathematics
1 answer:
sammy [17]3 years ago
4 0

Answer:

The change should Sara receive from the $10 bill is <u>$3.56</u>.

Step-by-step explanation:

Given:

The table shows the prices of some breakfast items at a restaurant.

Item                                      Price

One egg                               $1.69

Slice of bacon                      $1.49

Glass of orange juice          

$1.09

Sara ordered 2 eggs, a slice of bacon, and  a glass of orange juice for breakfast.

The sales tax for the order was $0.48.

She paid for her breakfast with a  $10 bill.

Now, to find the change should Sara receive from the $10 bill.

<u>Bill for the Sara's breakfast:</u>

<em>2 eggs </em>= 2\times \$1.69=\$3.38.

<em>A slice of bacon </em>= $1.49.

<em>A glass of orange</em> = $1.09.

<em>The sales tax =</em> $0.48.

Total bill = \$3.38+\$1.49+\$1.09+\$0.48=\$6.44.

Sara paid for the breakfast bill = $10.

Now, to get the change Sara should receive we subtract the amount of bill from the money Sara paid for the bill:

Sara\ paid\ for\ the\ breakfast\ bill - total\ bill.

=\$10-\$6.44

=\$3.56.

Therefore, the change should Sara receive from the $10 bill is $3.56.

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                  ( X = -1 ):  { X_2 = 1 , X_1 = 2 } + { X_2 = 2 , X_1 = 3 }

                 P ( X = -1 ):  P ( X_2 = 1 ) * P ( X_1 = 3 ) + P ( X_2 = 2 ) * P ( X_1 = 3)

                                 :  ( 1 / 3 ) * ( 1 / 3 ) + ( 1 / 3 ) * ( 1 / 3 )

                                 : ( 2 / 9 )

         

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       P ( X = -1 ):P ( X_2 = 1 )*P ( X_1 = 1 )+P( X_2 = 2 )*P ( X_1 = 2)+P( X_2 = 3 )*P ( X_1 = 3)

                                 :  ( 1 / 3 ) * ( 1 / 3 ) + ( 1 / 3 ) * ( 1 / 3 ) + ( 1 / 3 ) * ( 1 / 3 )

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                  P ( X = 2 ):  P ( X_2 = 3 ) * P ( X_1 = 1 )

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                          P(Y=2) = 1/ 3

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