Question

Hank is painting his grandfather's fence. He painted 40 linear feet in 85 minutes. He still has 360 linear feet to paint. His cousins, Sam and Alex, come to help. Sam paints twice as fast and Alex paints half as fast as Hank. Find the constant of proportionality that relates the current fence painting rate? (round to nearest tenth)
A) 0.9
B) 1.2
C) 1.6
D) 2.4

Answer 1

The correct answer for the question that is being presented above is this one: "C) 1.6." Hank is painting his grandfather's fence. He painted 40 linear feet in 85 minutes. He still has 360 linear feet to paint. His cousins, Sam and Alex, come to help. Sam paints twice as fast and Alex paints half as fast as Hank. The constant of proportionality that relates the current fence painting rate is 1.6.

Answer 2

Answer: 1.6

Step-by-step explanation:

k =  y/x= 40 +80 +20 / 85 = 140/ 85 =1.6