# Differential Equations for Lead-Free Subjects

Suppose that the initially lead-free subject in Example 6.1.1 is exposed to lead for 400 days, and then removed to a lead free environment. Use a computer to estimate how long it takes the amount x3 of lead in the bones to decline 50% of x3(400); repeat for 25% and 10%.

(See attachment for full details)

https://brainmass.com/math/linear-algebra/differential-equations-lead-free-subjects-30000

#### Solution Preview

Hi there!

Well, it was nice.

I attached the solutions in both pdf and word formats.

I also attached the Maple file, if you want to go over it using maple (A copy of it is also found in the doc and pdf files).

The funny thing is, Mape is such a nice program I ...

#### Solution Summary

The initially lead-free subjects in the environment are given. Differential equations are analyzed.

$2.19