Savings ($)
200
160
120
80
40
O
5 10 15 20 25
Time (weeks)
Find the constant of proportionality and write an equation for the relationship
The constant of proportionality is
The equation for the relationship is

Savings 200 160 120 80 40 O 5 10 15 20 25 Time weeks Find the constant of proportionality and write an equation for the relationship The constant of proportiona class=