Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. liliana uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(3/4+1)=12 1/4 to represent the situation. what does the variable d represent in the equation?

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.

answer for #1 is c

answer for #2 is d

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x equals 1

step-by-step explanation:

f(4)=f(×)

x=1