Texas Instruments TI-15 Teachers Manual page 90

Calculating tips
The Chen family went to a
restaurant for dinner. Their bill was
$31.67. How much was the tip if
they left 15% of their bill? How much
was the total including the tip?
P r e s s
31.67 ®
Š ™
V 15 ª
®
31.67 T
4.75 ®
© 2000 T I
EXAS NSTRUMENTS
D i s p l a y
3 1 Ù 6 7 Ú
Fix
3 1 Ù 6 7 Ú
Fix
3 1 Ù 6 7 Ý 1 5 ã Ú
3 1 Ù 6 7 Û 4 Ù 7 5 Ú
I
NCORPORATED
3 1 Ù 6 7
3 1 Ù 6 7
4 Ù 7 5
3 6 Ù 4 2
TI-15: A Guide for Teachers
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