static int HowMuch(int people, string entity)
{
int numBus, numTable, numBoat;
if (entity == "bus")
{
numBus = people/50;
if (people % 50 != 0)
numBus++;
return numBus;
}
if (entity == "table")
{
numTable = people/10;
if (people % 10 != 0)
numTable++;

return numTable;
}
if (entity == "boat")
{
...
}
}