Solve for b in the formula 3a+2b=c
2 answers:
The answer is: " b = 
" .
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Explanation:
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Given:
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" 3a + 2b = c " ; solve for "b" ;
Subtract "3a" from each side of the equation:
3a + 2b - 3a = c - 3a ;
to get:
2b = c - 3a ;
Divide each side of the equation by "2" ;
to isolate "b" on one side of the equation; & to solve for "b" ;
2b / 2 = (c - 3a) / 2 ;
to get:
b = (c - 3a) / 2 .
________________________________________________________
The answer is: " b = " .
________________________________________________________
______________________________________________________
Explanation:
________________________________________________________
Given:
________________________________________________________
" 3a + 2b = c " ; solve for "b" ;
Subtract "3a" from each side of the equation:
3a + 2b - 3a = c - 3a ;
to get:
2b = c - 3a ;
Divide each side of the equation by "2" ;
to isolate "b" on one side of the equation; & to solve for "b" ;
2b / 2 = (c - 3a) / 2 ;
to get:
b = (c - 3a) / 2 .
________________________________________________________
The answer is: " b =
________________________________________________________
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Answer:
335,979 people (in Year 2020)
Step-by-step explanation:
Initial Population (Year 2010) = 250,000
Rate of Growth = 3% = 3/100 = 0.03
We want the population of the town in Year 2020 (at this rate). That is 10 years from now.
The formula for compound growth is:
Where
F is the future value (in year 2020)
P is the present value (250,000)
r is the rate of increase per year (0.03)
t is the time in years (t = 10)
Lets substitute and find the value:
Rounded, that would be:
335,979 people (in Year 2020)