If -7 _<X>_7 and 0 <_Y>_12 what is the greatest possible value of X-Y?
1.)-19 2.)5 3.)7 4.)19



If -7 _<X>_7 and 0 <_Y>_12 what is the greatest possible value of X-Y? 1.)-19 2.)5 3..

Answer / Tanmay Gupta

The greatest possible value of X-Y is 14. Since -7 _<X>_7, X can be any number from -7 to 7. Similarly, since 0 _<_Y_>_12, Y can be any number from 0 to 12. Therefore, the greatest possible value of X-Y is obtained when X is at its maximum (7) and Y is at its minimum (0), resulting in a difference of 14.

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