3 years ago

Khan Academy

Mathematics

1 answer:

malfutka [58]3 years ago

7 0

Answer:

The variable d stands for how many calories she used.

Step-by-step explanation:

the problem says that she uses 1 calorie per minute while walking, and then it says that she walked 12 minutes. 12×1= 12 calories

d=12 calories which equals to the 12 minutes she walked

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