a) 3 molecule of carbon dioxide (CO2) - 3 carbon atoms
b) 6 molecule of 3 - PGA - 18 carbon atoms ( 3 cabon atoms in 1 3 PGA molecule)
c) 6 molecule og G3P - 18 carbon atom ( 3 carbon atoms in G3P molecule )
d) 5 molecules of G3P - 15 carbon atom
e) 3 molecule of R5P - 15 carbon atoms ( 5 carbon atom of R5P olecule )
f) 3 molecule of RuBP - 15 carbon atoms ( r carbon atom of RuBp molecule )