Machine \(M,\) working alone at its constant rate, produces \(x\) widgets every \(4\) minutes. Machine \(N,\) working alone at its constant rate, produces \(y\) widgets every \(5\) minutes. If machines \(M\) and \(N\) working simultaneously at their respective constant rates for \(20\) minutes, does machine \(M\) produce more widgets than machine \(N\) in that time?

(1) \(x > 0.8y\)
(2) \(y = x + 1\)

Answer: A

Source: GMAT Prep