Naomi walks her dog, Pixie, twice a day. She takes Pixie for a 30-minute walk in the morning and a quick walk at night before bed. Pixie's nighttime walk is shorter than her morning walk.Let 𝓁 represent the length, in minutes, of Pixie's nighttime walk. Which inequality models the story?𝓁>30𝓁≥30𝓁<30𝓁≤30
Question
Naomi walks her dog, Pixie, twice a day. She takes Pixie for a 30-minute walk in the morning and a quick walk at night before bed. Pixie's nighttime walk is shorter than her morning walk.Let 𝓁 represent the length, in minutes, of Pixie's nighttime walk. Which inequality models the story?𝓁>30𝓁≥30𝓁<30𝓁≤30
Solution
The correct inequality that models the story is 𝓁<30. This is because the problem states that Pixie's nighttime walk is shorter than her 30-minute morning walk. Therefore, the length of the nighttime walk, represented by 𝓁, is less than 30 minutes.
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