Word problem

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id: 21642
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Susie, Dietmar and Johannes went to dinner in their favorite restaurants. Each of them ate 2 tacos and 1 churro. Each taco costs 4 USD and each churro 2 USD. We want to calculate how much money Susie will get back after paying the bill including a 20% tip if she pays with two 20 USD bills. Which equation can be used to calculate the bill x before tip in USD?

  • $x=2\cdot(3\cdot 4+1\cdot 2)$
    $x=3\cdot(2\cdot 4+1\cdot 2)$
    $x=3\cdot(2\cdot 2+1\cdot 4)$
    $x=2\cdot(2\cdot 4+4\cdot 1)$

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