Members of a community center are planning a field trip to the zoo. More than 50 people will go on the trip. Ten people are providing their own transportation. The rest of the people will ride in k vans. Each van can carry 5 people. Which inequality can be used to show the situation? 
 A.5k+10>50
 B.k+15>50 
 C.5(k+10)>50 
 D.−15>50