Determine the constant of proportionality. Express your answer as y = kx
Time in minute (x) 6 4 10 5 9
Gallons of Water Used (y) 96 64 160 80 144
Every minute
gallons of water are used.
y=_x
To find the constant, you do y divided by x. 96 divided by 6 is 16. To check your answer, 64 divided by 4 is also 16, as for the rest of the numbers. 16 is the constant of proportionality.
