Please help!
- Which graph represents a proportional relationship? A or B (photo1)
- If it costs $78 for 13 sandwiches, what is the unit rate?
A$6/ 1 sandwich
B$156/ 26 sandwiches
C$39/ 6 1/2 sandwiches
D$8/ 1 sandwich
A$6/ 1 sandwich
B$156/ 26 sandwiches
C$39/ 6 1/2 sandwiches
D$8/ 1 sandwich