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25 and 65.
Set up a systems of equations
1)a*b = 1625
2)a+b = 90
Therefore, according to the second equation, a = 90 - b.
Plug that value of a into the first equation, and you will get that
(90 - b) * b = 1625.
This simplifies to
b(squared) - 90b + 1625 = 0.
This then simplifies to
(b-25)(b-65) = 0.
From there, solve for b and you will get 25 and 65.
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