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Lilianna uses \dfrac{3}{4} 4 3 ​ start fraction, 3, divided by, 4, end fraction calories per minute just by sitting. She uses 111 more calorie per minute by walking. Lilianna uses a total of 12\dfrac{1}{4}12 4 1 ​ 12, start fraction, 1, divided by, 4, end fraction calories walking to the park. Lilianna uses the equation, d\left(\dfrac{3}{4}+1\right)=12\dfrac{1}{4}d( 4 3 ​ +1)=12 4 1 ​ d, left parenthesis, start fraction, 3, divided by, 4, end fraction, plus, 1, right parenthesis, equals, 12, start fraction, 1, divided by, 4, end fraction to represent the situation. What does the variable ddd represent in the equation? Choose 1 answer: Choose 1 answer: (Choice A) A Calories per minute Lilianna uses walking (Choice B) B Number of calories Lilianna would have used sitting (Choice C) C Number of minutes Lilianna walked

1 Answer

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Final answer:

In the given equation, the variable d represents the number of minutes Lilianna walked.

Step-by-step explanation:

In the equation d(3/4+1)=121/4, the variable d represents the number of minutes Lilianna walked.

This is because the equation is used to represent the situation where Lilianna uses a total of 121/4 calories walking to the park.

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