Algebra · Percentages · Successive percentage change · Multiplicative factors
A factory modernised its equipment, and its productivity then rose by \(25\%\). Some time later a number of workers were dismissed, and the productivity fell by \(20\%\). By what percentage has the productivity of the factory changed after both of these events together?
- A It fell by \(5\%\)
- B It fell by \(2.5\%\)
- C It fell by \(2\%\)
- D It did not change
- E It rose by \(5\%\)
Sign in to check answers, open hints, read the full solution, and track your progress. Statements are always free.
Slovenian High School Mathematics Competition for Vega Awards (MaSSA), regijsko (regional) round 2013, 1. letnik, category A, problem A1. Organized by DMFA Slovenije (Society of Mathematicians, Physicists and Astronomers of Slovenia). Source