SOLUTION: A square plywood platform has a perimeter which is 8 times the length of a side, decreased by 28. Find the length of a side

Algebra ->  Expressions-with-variables -> SOLUTION: A square plywood platform has a perimeter which is 8 times the length of a side, decreased by 28. Find the length of a side       Log On


   



Question 575162: A square plywood platform has a perimeter which is 8 times the length of a side, decreased by 28. Find the length of a side
Answer by chana(69) About Me  (Show Source):
You can put this solution on YOUR website!
A square plywood platform has a perimeter which is 8 times the length of a side, decreased by 28. Find the length of a side
sol:
side = x
by formula, perimeter = 4x ----(1)
given perimeter = 8*x - 28 -----(2)
equate 1 & 2
you will get x = 7 units.