Comparing relationships with tables
1. decide whether each table could represent a proportional relationship.
if the relationship could be proportional, what would the constant of
proportionality be?
a. how loud a sound is depending on how far
distance to
away you are.
listener (ft)
sound level
(db)
85
79
10
20
40
73
67
cost
b. the cost of fountain drinks at hot dog hut.
volume
(fluid ounces)
($)
$1.49
20
$1.59
$1.89
30