Question

A man walks x km at V km/h and finishes his journey by car at 6V km/h. If the ratio of the distance walked to that travelled by car is 2:7, find an expression for the total time taken for the journey.

Answer 1

Answer:

A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.

Answer 2

Answer:

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