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3 March, 04:23

A rock-climbing gym charges nonmembers $18 per

to use the wall plus $7 per day for equipment rental. Members pay an

annual fee of $400 plus $5 per day for equipment rental. How many days must both a member and a nonmember use the wall in one year both pay the same amount

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Answers (2)
  1. 3 March, 06:06
    0
    20 days is the correct answer
  2. 3 March, 07:21
    0
    20 days.

    25d=400+5d

    20d=400

    d=400/20=20

    d = 20 days
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