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17 February, 12:57

David and Eric went out to dinner. Their total bill was $45. They added 20% gratuity to the bill. If they split the bill in half, how much did each person spend?

1) Write an equation/expression for the word problem.

2) How much did each person spend?

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Answers (1)
  1. 17 February, 15:08
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    1) (45x 1.2) / 2

    2) $27 each

    Step-by-step explanation:

    Hi, to answer this question we have to multiply the initial bill amount by the gratuity percentage in decimal form (divided by 100)

    45 x (20/100) = 45 x 0.2 = $9

    Now, we have to add the tip amount (9) to the initial bill amount

    45+9 = $54 (total bill amount with tip)

    (We could obtain the same result if we multiply the initial bill amount by 1.2)

    Finally, we have to divide the final bill amount by 2:

    54/2 = $27 each

    1) (45x 1.2) / 2

    2) $27 each

    Feel free to ask for more if needed or if you did not understand something.
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