Answer:
Each shelf holds 30 inches of filling.
Step-by-step explanation:
Divide 180 inches of filling by the six shelves and you get 30 inches of filling per shelf
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187 centimeters is 1.87 meters
Answer: 
Step-by-step explanation:
Given
The force between the two particles is inversely proportional to the distance between them

When the distance is 2 m, the force is 10 N. For 5 m distance, it is

Thus, the force between them is
You would spend 25 minutes on the elliptical trainer, and 15 minutes on the stationary bike.