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Consider the following two questions: Question #1: If 10 is the greatest common divisor of positive integers  and , and 20 is the lowest common multiple of and , what is the value of ? A) 15 B) 20 C) 30 D) 100 E) 200 … Read More

Algebraic techniques can often help us solve word problems. The process typically involves assigning one or more variables, writing an equation (or two or three), and then solving that equation. It sounds easy enough, … Read More