© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
67
Reciprocals
a
The chart below shows the amount
of time spent building model ships.
Time Portion
Spent
Completed
Ships
Building
Per Hour
Sailing
10 hrs.
?
Steam
5 hrs.
?
Luxury
5
1
/
3
hrs.
?
How much of each model was
completed per hour?
Press Display
Sailing ship:
10
a
%
“
<
10
-1
.
F
,
.
D
'
1 / 10
DEG
Steam ship:
5
a
%
“
<
5
-1
.
F
,
.
D
'
1 / 5
DEG
Luxury liner:
5
N
1
N
3
a
<
5
®
1
®
3
-1
'
3 / 16
DEG