Homework Help: Algebra word problem help

Posted by Shawn on Friday, November 21, 2008 at 2:54pm.

The average walking speed R of people living in a city of population P,in thousands, is given by R=0.37InP+0.05, where R is in feet per second.
a.) The population of Honolulu, Hawaii is 395,790. Find the average walking speed.
b.) A city's average walking speed is 2.70 ft/sec. Find the population.

Algebra word problem help - Reiny, Friday, November 21, 2008 at 3:32pm
a) is just button-pushing on a calculator
I got a rate of 4.82 ft/s

b)
2.7 = .37(lnP) + .05
2.65 = .37lnP
lnP = 2.65/.37 = 7.162162
P = 1289.6

P = 1290
Algebra word problem help - Shawn, Friday, November 21, 2008 at 4:20pm
Thank you. I was able to get the same answers.

Answer this Question

Related Questions

heathrow - Jacksonville is the largest city in Florida. recently there were 852,...
Physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0...
physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 29.0...
Physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 23.0...
physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 26.0...
PreCalc - [b]1. The problem statement, all variables and given/known data[/b] ...
physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 28.0...
Physics - A golfer rides in a golf cart at an average speed of 3.10 m/s for 21.0...
college physics - a golfer rides in a golf cart at an average speed of 3.10 ...
Word Problem Question - I would like to know if I am correct, so far. The amount...

For Further Reading

First Name:
School Subject:
Answer: