Which information is necessary to solve this story problem?
There were 16 people at a backyard barbeque. The barbeque lasted for 4 hours. Barry bought 2 hot dogs for each person. Each hot dog cost $1.25. How much did Barry spend altogether?
A.
2 hot dogs, 16 people, $1.25
B.
4 hours, 16 people, 2 hot dogs
C.
2 hot dogs, 16 people
D.
2 hot dogs, $1.25