Answer:
21.42857143 = n
Step-by-step explanation:
Is means equals and of means multiply
12 = 56% *n
Change the percent to a decimal
12 = .56*n
Divide by .56
12/.56 = .56n/.56
21.42857143 = n
It would take 20 hours since 8,000 times 5 is 40,000 so 4 times 5 is 20.
Logic.
I'M NOT SURE
Step-by-step explanatioI'M NOTN SURE
-4/5=2b
since b is alrteady in the subject of the equation simply divide both side of the equation by the coefficient of b
:. (-4/5)/2= 2b/2
-4/10=b
:. b=-2/10 or -0.4