The following graph shows a proportional relationship. What is the constant of proportionality between y and in the graph?
y
6-
Col
5+
MY
4+
3+
Pro
21
Pro
1+
Tea
2
1
2
3
4
5
6

Since (2, 4) belongs to the line the constant of proportionality is 4 / 2 = 2.

answer: 7 x 2/5 = 2.8 hours, is your answer. your welcome! : 3

step-by-step explanation: first work out how long it took to hose 1/7 of the lawn which is 2/5 hours. times that by 7 to get the whole lawn.

sorry i don't know the other answer. i didn't learn what a proportional relationship is.