Posted by Rose*** on Wednesday, September 15, 2010 at 12:47am.
Let the number be ABC, which is between 150 and 200, so A=1. (minimum is 151 and maximum is 199)
A+B+C = 12
so 1+B+C=12
and B-C=5
solve to find B and C
-1/2-2/3
Please post a new question if you want your question to be seen by teachers. Do not add it as a followup to an answer to someone else's question.
When adding fractions, make sure they have a common denominator. Then you can add the numerators.
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