Question 663732
Starting with x + (x+20) = 90
Combine like terms
2x + 20 - 20 = 90 - 20
2x = 70
x = 70/2 = 35
...
Once piece is 35 cm
The other piece is 35+20= 55cm
...
The shorter piece is 35 cm
Cutting it in half would yield 2 pieces of 17.5 cm each.
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