Texas Instruments TI-36X Manuale Utente

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

To calculate a percent, press 

%l after entering a

value.

³

Problem

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 % l V

DEG

: 7 3 0 0 < 2 I 3 % l
V

DEG

: 8 4 0 0 < 3 I 1 % l
V

DEG

< 2 8 0 V

DEG

The three quantities of ore together contain 578.3 tons
of metal. The value of the metal is $161924.