Answer:
The number is -3.
Step-by-step explanation:
X = a number
X + 12 = 9
Rearrange to get X on its own.
X = 9 - 12
X = -3
Well, the numerator alone is
(5•4•3•2)! = 120 !
and the denominator alone is
5!= 120 .
So the value of the whole fraction is
119 !
He would have to work 17 hours.
19/5 as a mixed number is 3 4/5.
