two years ago the water in a local reservoir fell 8 3/4 feet then it rose 4 3/5 how much did it change
2 answers:
To find the change, we need to subtract.
8 3/4 - 4 3/5
We need a common denominator to find the answer.
3*5/4*5 = 15/20
8 15/20
3*4/5*4 = 12/20
4 12/20
Now we can properly subtract
8-4=4
15-12
-------- =
20
3/20
Now we have our final answer: 4 3/20
The change : 4 3/20
WORK:
8 3/4 = 8 15/20
4 3/5 = 4 12/20
8 15/20 - 4 12/20 = 4 3/20
ANSWER:
4 3/20
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