Western State College is 18 years older than Southern State. Western is also 2 1/2 times as old as Southern. How old is each?
1 Answer
Mar 5, 2018
western =
Explanation:
use the variable
use the variable
we need to write 2 equation because we have 2 variables
we know that western state is 18 years older than southern state
western state is 2.5 times as old as southern
solve the system of equations
because
solve for
plug in 12 for