# SOLUTION: Please help me solve and understand this problem. Divide and simplify. 3y-12 over 55 divided by y-4 over 77

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 Question 251203: Please help me solve and understand this problem. Divide and simplify. 3y-12 over 55 divided by y-4 over 77Answer by stanbon(57962)   (Show Source): You can put this solution on YOUR website!Divide and simplify. 3y-12 over 55 divided by y-4 over 77 --------- [3(y-4)/55] / [(y-4)/77] --- Invert the denominator and multiply: [3(y-4)/55] * [77/(y-4)] ---- Factors common to numerator and denominator: (y-4) and 11 Cancel the common factors: --- = [3/5] = 21/5 or = 4.2 or = 4 1/5 ============= Cheers, Stan H.