Answer :
The constant of proportionality is 4 .
The equation is [ Height = (4) times (Days) ] .
When the sunflower is 60cm tall, 60 = (4) times (Days).
Divide each side of the equation by 4: 15 = Days
The equation is [ Height = (4) times (Days) ] .
When the sunflower is 60cm tall, 60 = (4) times (Days).
Divide each side of the equation by 4: 15 = Days