# Algebra

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If a nuclear power plant can buy 86% enriched fuel for \$21000/lb and can buy cheaper less enriched uranium that is 80% pure and for \$14000/lb still using as a mixer the 57% pure uranium at \$5000/lb which fuel is going to be more cost effective for the plant?

• Algebra -

If it's the pure content that counts, then the proportionate cost for the pure compound is:
for 86% : 21000/0.86=\$24418.60 / lb.
for 80% : 14000/0.80=\$17500.00 / lb.

The 80% material is more effective.

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