Past paper questions

1)

In dec 14 q 4 part b(ii):
In examiner answer last paragraph demand for 90000 tones of moist pet food. 40000 and 50000 tonnes from where did we get these figures.

I didn’t understand the idea behind them

2)

June 14 q 2 part a

i cant see any indication which lead me to use probability, guide me plz.

Could we answer this question without referring to financial figure. Bcoz i see this as new idea and didnt think of solving financials in this way!

I just calculated basic cost for 9 delegates for 3 days which was mentioned in quest.