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Increasing or decreasing by a given percentage

Can a percent be written as a fraction?

Percents are everywhere. Stores use them to advertise discounts, manufacturers use them to describe the contents of their products.

Perform long division (no remainder)

Sometimes, it is not possible to separate a group of objects into a whole number of equal-sized groups which will generate a remainder

To evaluate expressions that contain several additions, we make repeated use of the rules for adding two integers.

To evaluate expressions that contain several multiplications,we make repeated use of the rules for multiplying two integers.