© 2000 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-15: A Guide for Teachers
83
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?
Percent
ª
Convert to
Percent
Press Display
y
31.67
®
31Ù67Ú 31Ù67
Š
™
Fix
31Ù67Ú 31Ù67
V
15
ª
®
Fix
31Ù67Ý15ãÚ
4Ù75
31.67
T
4.75
®
31Ù67Û4Ù75Ú
36Ù42