Mathematics, 20.02.2020 20:54, karennayeli

A robin flew rrr meters per second, and a cardinal flew ccc meters per second. The birds flew for ttt seconds. The expression t(r-c)t(r−c)t, left parenthesis, r, minus, c, right parenthesis describes how many more meters the robin flew than the cardinal flew during that time.

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A robin flew rrr meters per second, and a cardinal flew ccc meters per second. The birds flew for tt...