There is only one granola bar left out of a pan of 10 bars. if will and rachel decide to split the last granola bar, what fraction of the entire pan of granola bars will each friend receive?

The entire pan has a total of 10 granola bars, and there is one tenth of the pan left. Will and Rachel will split the last one tenth in half, so the two fractions that need to be multiplied are: 



So, Will will receive  of the pan and Rachel will

receive  of the pan. 

It would take her 20 minutes.