Mathematics, 27.10.2021 23:20 jamiecoolgal8697

D) The following steps show how the equation for the average rate can be transformed so that it is written in terms of only the rates for each leg of the trip. Write an algebraic justification for each
step. Think about the number operations and properties that you know.
Average Rate =
20
d d
nr
20
20
Average Rate =
rd rd
rd rd+rd
+
20
Average Rate =
rd+rd
20
2drs
I rd+rd rd+nd

D) The following steps show how the equation for the average rate can be transformed so that it is

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