SOLUTION: If the number of students majoring in computer science at erasmus was 225 in 2002 and 305 in 2005 and if this number increase linerely each year, what will be the approximate numbe

Algebra ->  Linear-equations -> SOLUTION: If the number of students majoring in computer science at erasmus was 225 in 2002 and 305 in 2005 and if this number increase linerely each year, what will be the approximate numbe      Log On


   



Question 54623: If the number of students majoring in computer science at erasmus was 225 in 2002 and 305 in 2005 and if this number increase linerely each year, what will be the approximate number of students majoring in computer science at erasmus.
In the year 2007?
In the year 2009?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If the number of students majoring in computer science at erasmus was 225 in 2002 and 305 in 2005 and if this number increase linerely each year, what will be the approximate number of students majoring in computer science at erasmus.
In the year 2007?
In the year 2009?
--------------
You have two points: (2,225), (5,305)
slope = [305-225]/[5-2]= 80/3
y=mx+b; need to find "b".
305=(80/3)5+b
305=(400/3)+b
b=515/3
EQUATION:
# students = (80/3)(year)+(515/3)
#(7)=(80/3)(7)+(515/3)
#(7)=358 1/3
#(9)=(80/3)(9)+(515/3)
#(9)=411 2/3
Cheers,
Stan H.