Question

the diagram shows the proportional relationship between the number of buckets of water and the number of buckets of joint compound mixed to make a wall-texturing mixture.



What is the constant of proportionality in terms of buckets of joint compound per bucket of water?
A.
2
B.
1.5
C.
0.67
D.
3

Answer 1

Pick any labeled point on the graph and compute (buckets of joint compound) ÷ (buckets of water). For the shown point (2 water, 3 compound) the ratio is 3 ÷ 2 = 1.5.

Answer: B.