exam
Maths Puzzle
Numerical Ability
hi....
can you please help me with this?
what is log (1/4) to the base 2?
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Please help us solve this equation:
4. One more than the difference between 18 and 7 times a number is -9
This is what we have tried:
7n + 18 +1 = -9
7n + 19 = -9
7n = -28
n= -4
Is this correct?