Answer: 12 cones would be placed along 36 feet of road.
Explanation:
If 4 cones are placed along 12 feet of road, we can calculate the number of cones placed along 36 feet of road using a proportion.
Let x be the number of cones placed along 36 feet of road. We can set up the proportion:
(4 cones / 12 feet) = (x cones / 36 feet)
Now, cross-multiply and solve for x:
4 * 36 = 12 * x
x = (4 * 36) / 12
x = 12