Kevin had 13 coins in his pocket. All of his coins are either dimes or quarters. When he emptied his pocket,Kevin found that he
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The first (and most typical) way to find distance of two points is by using the distance formula.
One alternative is the Manhattan metric, also called the taxicab metric. This option is much more complicated, and rarely used in high school math. d(x,y)=∑i|xi-yi|