SOLUTION: Please help me with this word problem. Thank you very much! The polynomial 0.041h-0.018a-2.69 can’t be used to estimate capacity in liters, of a female with height h, and age a, i

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Please help me with this word problem. Thank you very much! The polynomial 0.041h-0.018a-2.69 can’t be used to estimate capacity in liters, of a female with height h, and age a, i      Log On


   

Question 207342: Please help me with this word problem. Thank you very much!
The polynomial 0.041h-0.018a-2.69 can’t be used to estimate capacity in liters, of a female with height h, and age a, in years. Find the lung capacity of a 20-year-old woman who is 160 centimeters tall.
Her lung capacity if approximately-----?---- liters.


Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
The polynomial 0.041h-0.018a-2.69 can’t be used to estimate capacity in liters, of a female with height h, and age a, in years. Find the lung capacity of a 20-year-old woman who is 160 centimeters tall.
;
I am going to assume it "can" be used
;
Lung capacity (liters) (C) = 0.041h - 0.018a - 2.69
:
a = 20; h = 160
:
C = 0.041(160) - 0.018(20) - 2.69
:
C = 6.56 - .36 - 2.69
:
C = 3.51 liters