Inequalities: Use And/OR correctly Many students use the words “And/Or” indiscriminately in solving inequalities. However, there is a very important difference. ‘And‘ means you take the intersection of the solutions sets. ‘Or‘ means you take the union of the solutions sets. Example Share this:FacebookTwitterLike this:Like Loading... Related Published by gjooheng H2 maths tutor View all posts by gjooheng