Each penny is 0.75 inches in diameter and 0.061 inches thick. if the cylindrical glass jar containing the pennies has a diameter of 6 inches and a height of 11.5 inches, how many pennies can fit inside the jar?

Each penny is 0.75 inches in diameter
0.061 inches thick
If  pennies has a diameter of 6 inches and a height of 11.5 inches
Cylinder: Diameter-6 in/ Height 11.5 in V=3.14(r²)h 3.14(3²) (11.5) 3.14*9 (11.5)
 Volume=324.99 Pennies
 Diameter-0.75 in/ Height .061
V=3.14(r²)h 3.14(.375²)(0.061) 3.14*.140625 (.061) 4415625*.061 Volume=0.0269353125 324.99/0.0269353125= 12,065 pennies(approximately) 12,065 Pennies can fit in the cylinder
hope this helps