43
60
5
5
50
45
4
0
35
30
25
2
0
15
10
11
1
2
13
1
4
16
17
18
19
21
22
23
24
90
80
70
FU
EL
LB
S.
L
IT
E
R
S
.
OIL LBS.
IMP G
AL.
G
A
L.
U
S.
55
50
NAUT.
45
40
35
30
25
20
15
10
90
8
0
70
11
14
16
17
18
19
21
22
23
24
STA
T.
K
M
.
1:10
1:
20
1:3
0
1:
40
1:50
2:
00
2:30
3:00
3:30
4:00
4:
30
5:00
6:0
0
7:00
8:00
9:00
Square root
Question
225
Answer
Rotate the scale so that
an inner value to “22.5”
on the scale is equal to
a value on the scale to
inner “10”. The value “15”
is the answer.