Could someone help me figure this out please? I have attached the problem (jpg). If you would like to know the answer lmk. Thanks

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- Jan 26th 2013, 03:56 PMSprinkledozerGeneral Equations - Word Problem
Could someone help me figure this out please? I have attached the problem (jpg). If you would like to know the answer lmk. Thanks

- Jan 26th 2013, 05:49 PMSorobanRe: General Equations - Word Problem
Hello, Sprinkledozer!

Quote:

A telephone company estimates that the number N of phone calls per day

between two cities of population and that are miles apart is given by:

. .

115. Estimate the population of a city given that

. . . . . the population of a second city is: ,

. . . . . the number of phone calls per day is: ,

. . . . . and the distance between the cities is: miles.

. . . Round to the nearest thousand.

First, solve for

We have: .

Multiply by

Divide by

Substitute: .

Therefore: .