The length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. The length of ea
ch side of the original square was inches. NextReset
2 answers:
Answer:
The length of each side of the original square was
inches
Step-by-step explanation:
Let
x------> the length side of the original square
we know that
The perimeter of a square is equal to

where
b is the length side of the square
In this problem


substitute

solve for x



Let x be the original side length of the square
P=2(l+w)
70=2((2.5+x)+(2.5+x))
70=2(5+2x)
70/2 = 5+2x
35-5=2x
30=2x
15=x
Therefore, the original length of the square was 15"
Hope I helped :)
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