Every spring, Mary plants colorful flowers in her garden. This year, she decides to plant
petunias. She buys them at the garden store, brings them back home, and starts planting.
There is a proportional relationship between the amount of time (in minutes) Mary has been
working in her garden, x, and the number of petunias she has planted
What is the constant of proportionality? Write your answer as a whole number or decimal