14.49.
To get ST is the square root of the product of QT and RT, so the square root of
30 x 7 == the square root of 210.
In exact form it is 7/2
In decimal form it is 3.5
In mixed number form it is 3 1/2
Eledest : middle : youngest
270: 180 : 90 divide by 3
90 : 60 : 30 divide by 3
30 : 20 : 10 divide by 10
3: 2:1
ans : 3:2:1
eldest to middle to youngest
3:2:1
It depends on how deep the submarine is... do you happen to know that?