Answer: A. Length of a bead necklace compared with the number of identical beads
Step-by-step explanation:
A. Length of bead necklace increases simultaneously compared with the increases in number of identical beads . This is a proportional relationship .
So, There is constant rate of change which is equals to the length of each bead.
B. Distance a school bus travels compared with the number of stops .
There is no constant rate of change between the quantities .[The time when bus stops matter]
C.Number of trees in a park compared with the area of the park.
There can be free space ,so there is not proportional relationship .
D.Number of runs scored in a baseball game compared with the number of innings
Not proportional relationship.
