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common multiple

a number that is a multiple of two or more numbers

cross multiplication

a way to find a missing numerator or denominator in equivalent fractions by multiplying across the equal sign to get an equivalent equation without fractions

least common multiple

the smallest common multiple of a set of two or more numbers


a ratio that compares a number to 100

similar figures

figures which are similar have the same shape but not necessarily the same size; the lengths are proportional to one another; the corresponding angles are congruent

unit price

the cost of one item or the measure of an item

unit rate

a rate with a denominator of one

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