Answer:
38 ft, 41 ft, 44 ft, 47 ft
Step-by-step explanation:
let the first piece be x, then
second piece = x + 3
third piece = x + 3 + 3 = x + 6
fourth piece = x + 6 + 3 = x + 9
sum the 4 together and equate to 170
x + x + 3 + x + 6 + x + 9 = 170, that is
4x + 18 = 170 ( subtract 18 from both sides )
4x = 152 ( divide both sides by 4 )
x = 38
Thus
first piece = x = 38 ft
second piece = x + 3 = 38 + 3 = 41 ft
third piece = x + 6 = 38 + 6 = 44 ft
fourth piece = x + 9 = 38 + 9 = 47 ft
