The formula for the volume of a prism is V=Bh, where B is the base area and h is the height.The base of the prism is a rectangle.The length of a rectangle is 9cm and the width is 7cm.
The EXACT ratio is 7.7:1, but you can round it up to about 8:1
It will be 6 to each person because 6x6 is 36 if u do 6x7 it will be 42 and it said 41 t-shirts not 42
Circumference formula is C= 2 * pi * r
C=188.5 (pi 60)