Question

A cylindrical cardboard mailing tube has a diameter of 90 mm. and a height of 600 mm. A total of 20% of the tube’s capacity is filled with spherical packing foam. Each foam sphere has a radius of 15 mm.



Approximately how many pieces of foam are in the tube?

Use 3.14 to approximate pi and express your answer as a whole number.

Answer 1

@radar @amistre64 @logan13

Answer 2

15x15?

Answer 3

look up volume of a cylinder, volume of a sphere

Answer 4

V= 3.14r^2h