Kerstin has a square tile. The perimeter of the tile is 32 inches. What is the length of the tile?
2 answers:
You might be interested in
The decimal representation of any number is a linear combination of powers of 10. In other words, given a number like 123.456, we can expand it as
for any
, so the above is the same as
Similarly, we can write
Now it's a question of reducing the fraction as much as possible. We have so