Answer:
Variable d represents the time per minute Lilianna spends in the park.
Step-by-step explanation:
Lilianna uses
calories per minute just by sitting. She uses 1 more calorie per minute by walking.
Liliana uses a total of
calories walking to the park.
Lilianna uses the equation,
to represent the situation.
Here, variable d represents the time per minute she spends in the park.
and is given as,
It can be written as,
Solving for d,
Thus, she spend d= 7 minutes total to the park.