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Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Find the value of x. give reasons to justify your solutions! c ∈ ae