SOLUTION: Evaluate xy/yz if x = 12, y = -5/4, and z = -4/5

Algebra ->  Expressions -> SOLUTION: Evaluate xy/yz if x = 12, y = -5/4, and z = -4/5      Log On


   

Question 99167: Evaluate xy/yz if x = 12, y = -5/4, and z = -4/5
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
xy/yz
12*-(5/4)/[-(5/4)-(4/5)] noiw cancel out the -(5/4)
12/(-4/5) now invert the fraction in the denominator & multiply
12*-5/4=-60/4=-15 answer.