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Russel wants to buy 3 identical gift cards. He wants to make sure the total cost is no more than $2 above or below $60. Which of the following inequalities represents the situation?



Answer :

mhanifa

Let the cost of each gift card be x.

Three of them will cost 3x.

We need the total cost be no more than $2 above or below $60.

This can be represented as:

  • 3x ≤ 60 + 2 ⇒ 3x ≤ 62,

and

  • 3x ≥ 60 - 2⇒ 3x ≥ 58,

or as combined inequality:

  • 58 ≤ 3x ≤ 62

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