squirrly45 squirrly45
  • 24-08-2015
  • Mathematics
contestada

the sum of a number b and 3 is greater than 8 and less then 12

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taskmasters
taskmasters taskmasters
  • 07-09-2015
The sum of a number b and 3 is greater than 8 and less than 12 => b + 3 < 8
=> b + 3 > 12

Now, let’s combine this into an expression:
=> 8 < b+3 < 12
=>  (8 - 3) < b < (12 - 3)
=> 5 < b < 9
Thus, the answer in the given situation is 9 because 9 is greater than 8 but less than 12.





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