Hi,
In case we are confronted with a sentence in the GMAT in which, either "X caused a reduction of 20%" or "X caused a reduction by 20%" is used, which one of the 2 should we pick? Experts....plzzz
In case we are confronted with a sentence in the GMAT in which, either "X caused a reduction of 20%" or "X caused a reduction by 20%" is used, which one of the 2 should we pick? Experts....plzzz
















