Texas Instruments TI15TK Teacher Guide - Page 90
Calculating tips
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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? Press Display 31.67 ® 31Ù67Ú 31Ù67 Š ™ Fix 31Ù67Ú 31Ù67 V 15 ª ® 31.67 T 4.75 ® Fix 31Ù67Ý15ãÚ 4Ù75 31Ù67Û4Ù75Ú 36Ù42 Percent ª Convert to Percent y © 2000 TEXAS INSTRUMENTS INCORPORATED TI-15: A Guide for Teachers 83
© 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