Respuesta :

AL2006

-- I've decided to name the unknown number  ' Q ', because I can.

-- The product of 25 and the unknown number is   25 Q .

-- The quotient of that product and  45  is    25 Q/45 .

-- We're told that this quotient is  -65 .

                                 25 Q / 45  =  -65 .
 

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