Situation: An archaelogist in Turkey discovers a
spear head that contains 23% of its
original amount of C-14.
N= Noe -kt
No
inital amount of C-14 (at time
t =0)
N= amount of C-14 at time t
k=0.0001
t= time, in years

What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?