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1 August, 08:02

Erin is renting chairs and a tent for a party. She can rent from A-1 Rental or Tonka Tents. A-1 Rental charges $1.33 per chair, plus $64.42 for the tent. Tonka Tents charges $1.58 per chair, plus $60.67 for the tent. How many chairs will Erin need to rent for the cost of the rentals to be the same?

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  1. 1 August, 08:20
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    Answer: Erin needs to rent 15 chairs

    Step-by-step explanation:

    Hi, we have to write an equation for each rental's cost.

    A-1 Rental charges $1.33 per chair, plus $64.42 for the tent.

    Tonka Tents charges $1.58 per chair, plus $60.67 for the tent.

    A-1 Rental's Cost = 1.33x+64.42 Tonka Tents Cost = 1.58x+60.67

    Where x is the number of chairs.

    If both costs are equal:

    A-1 Rental's Cost = Tonka Tents Cost

    So:

    1.33x+64.42 = 1.58x+60.67

    Solving for x:

    64.42-60.67 = 1.58x-1.33x

    3.75 = 0.25x

    15 = x
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