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18 January, 11:01

A 20-minute phone call costs $3.00. What is the unit rate of cost per minute?

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Answers (2)
  1. 18 January, 12:52
    0
    1 min phone call costs 3/20=0.15$

    the answer is 0.15$ per minute
  2. 18 January, 13:15
    0
    A one-minute phone call would be 15 cents 300 divided by 20 = 15
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