Jason Salary - J and Karens Salary - K in 1995
Jason salary = (1+p/100)* J and Karens Salary = (1+p/100) * K in 1998 (p% increase). We need to find 'p'.
(1) says K-J = 2000 ( in 1995) - Their differences in salaries are given. We don't know how much it increased.
(2) says K-J = 2400 (in 1998) - Their new increased salaries are given. We don't know their original salaries to compare.
Together, we know original and the new salary differences, and 'p' can be calculated. C
If you are interested in the solution.
K-J = 2000
(1+p/100) * [K-J] = 2400 (sub (K-J) = 2000) -- 'p' is the only unknown
100+p = (24/20) * 100
p=20%
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