Minus 36 from each one you can do it on a calculator:)
25 feet = 25 x 12 = 300 inches
First light is at 16 inches.
300 - 16 = 284 inches
Find the rest of the bulbs:
284 ÷ 4 = 71
Total number of lights = 71 + 1 = 72
Answer 72 lights
7 |1 -8 10
X. 7. -7
1 -1 3
A remainder is 3
Simplifying makes a algebric expression easily understandable and solvable.
Minutes is the x axis and the yards the y axis
3,17