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Linear equations word problems

Problem

Andrei wants to fill a glass tank with spherical marbles and then fill the remaining space with water.
The variable w models the amount of water (in liters) Andrei uses if he uses n marbles.
w=320.05n
What is the volume of each marble?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
liters
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