Question

15 by 2 minus 11 by 2 minus 9 by 2 minus 7 by 2 minus 5 by 2 minus 1 by 2

Answer 1

Hi ,

15/2 - 11/2 - 9/2 - 7/2 - 5/2 - 1/2

= ( 15 - 11 - 9 - 7 - 5 - 1 )/2

= ( 15 - 33 )/2

= - 18/2

= - 9

I hope this helps you.

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