Question:
Marika baked a total of 945 chocolate and vanilla buns. After selling an equal number of both types of buns, she had 1/3 of the chocolate buns and 1/6 of the vanilla buns left. She packed the remaining chocolate buns into 23 boxes. Some boxes containted 5 chocolate buns while the rest contained 9 chocolate buns.
(a) How many chocolate buns were packed into the 23 boxes?
(b) How many boxes contained 9 chocolate buns?