Percent - Texas Instruments solar TI-36X User Manual

Percent

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A mining company mines 5000 tons of ore having a
3-percent concentration of metal, 7300 tons having a
2.3-percent concentration, and 8400 tons having a
3.1-percent concentration. How much metal does the
company get in total from the three quantities of ore?
If the metal is worth $280 per ton, what is the value of
the total amount of metal present in the three quantities
of ore?
5 0 0 0 3
7 3 0 0 2 3
8 4 0 0 3 1
2 8 0
The three quantities of ore together contain 578.3 tons
of metal. The value of the metal is $161924.
9
Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 9 of
48
after entering a
Problem
ß
5000è3%
150.
,-/
Þß
Ans+7300è2.
317.9
,-/
Þß
Ans+8400è3.
578.3
,-/
ß
Ansè280
161924.
,-/