In a piece of metal, 1/m part plus a oz. is brass, and m/n part minus b oz. is copper. Calculate weight of the piece.
Answer provided with problem:
mn (b - a)
-------------
n + m^2 - mn
Please explain how the answer was obtained.
Guest wrote:In a piece of metal, 1/m part plus a oz. is brass, and m/n part minus b oz. is copper. Calculate weight of the piece.
Answer provided with problem:
mn (b - a)
-------------
n + m^2 - mn
Please explain how the answer was obtained.
Users browsing this forum: Google [Bot] and 5 guests