The percentage of increase is 100%. Let me know if you need an explanation.
Vsphere=(4/3)pi times r^3
r=radius
given that r=2
v=(4/3)pi2^3
v=(4/3)pi8
v=32/3pi cubic inches
about 10.66666pi cubic inches or hmm, roughly 31 cubic inches (guestimated in head)
Answer:
20-45 answer should be d good luck sorrybif im wrong
Grams
At least that is what we use in Mexico and in most Latin-American countries
I hoped this helped or something