Posted by **Rose***** on Wednesday, September 15, 2010 at 12:47am.

A number is between 150 and 200. A sum of the digits is 12. If you subtract the ones digit from the tens digit, the difference is 5. What is the number?

- math -
**Dr Russ**, Wednesday, September 15, 2010 at 4:24am
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

- math -
**Alondrya**, Wednesday, September 15, 2010 at 6:55am
-1/2-2/3

- math (Alondrya) -
**drwls**, Wednesday, September 15, 2010 at 9:04am
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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