math

Tina has a pet sitting business. She charges a flat service fee of $20, plus $20 per day for each animal. If one of her customers spent less than $100 on one animal, which of the following inequalities could be used to solve for x, the number of days the customer paid for pet sitting?
A.
$20x < $120
B.
$20x - $20 < $120
C.
$20x < $100
D.
$20x + $20 < $100

  1. 👍 0
  2. 👎 0
  3. 👁 258
  1. D

    1. 👍 0
    2. 👎 1
  2. d

    1. 👍 0
    2. 👎 1

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