Javier and his friends go out to eat. the restaurant they chose automatically adds a 15% gratuity to their food bill since they are a party of 12. the total bill after the automatic 15% gratuity was $213.90. because they received such good service, the group decided to add an extra $20 to the total bill as an additional tip. so, instead of leaving a 15% tip, javier and his friends ended up leaving a tip that was about % of the food bill.

Step-by-step explanation:

Explanation

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To determine percentage of tip that Javier and his friends ended up leaving, first calculate the food bill, b, before the automatic 15% gratuity. Set up a proportion and solve for b.

Next, find the amount of gratuity by subtracting the food bill from the total bill.

So, combining the standard gratuity of $27.90 and the additional $20 tip, Javier and his friends left a total tip of $47.90.

Finally, find the total percent of the food bill that was left as a tip by setting up another proportion and solving for t.

Therefore, instead of leaving a 15% tip, Javier and his friends ended up leaving a tip that was about 25.75% of the food bill

step-by-step explanation:

so first find out how much each is worth.

quarter= 25 cents

dime= 10 cents

pennies= 1 cent

then multiply each by how much each is worth.

200                     150                   300

x                         x                     x   1

  25                       10              

                                  300

1000                     1500

+                          

4000                                      

5000                                  

then count 2 from the back and add a period.

$50.00

$15.00

$3.00

and then add them

  $50.00

+

  $15.00

+

    $3.00

$68.00

so sunghee has $68.00

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step-by-step explanation: