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math

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The principal is choosing between 2 field tripS. The firt costs 600 dollars. The 2nd costs $240 plus $40 per students. For wat # of students is the 1trip less expensive?

  • math -

    you want to find where

    600 < 240+40n
    9 < n

  • math -

    How do u know wat way direction to put the inequality

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