[blowfish]

A + B = 65
B / A = 3, remainder of 5
(3 x A) + 5 = B
substituting this in the first equasion
A + (3 x A) + 5 = 65
4 x A = 60
A = 15, B = 65 - 15 = 50

[ZGuy]

Guessing was faster.

[verity]

I believe I saw this on an IRS worksheet.

[netmilsmom]

Where do you get the “4”?