© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
44
Constant
%
™
Three people babysit for $3.25 each
per hour. First person works 16
hours. Second person works 12
hours. Third person works 17 hours.
How much did each person earn?
Press Display
%
™
K =
DEG
V
3.25
<
K = *3.25
DEG
K
-
DEG
K
16
<
16*3.25
'
52.
DEG
K
12
<
12*3.25
'
39.
DEG
K
17
<
17*3.25
'
55.25
DEG
K
%
™
(Constant mode
is off.)
~
DEG