Here are the two equations we have so far:
6
=
Ab
8.64
=
Ab
3
Dividing the second by the first gives:
8.64
6
=
Ab
3
Ab
Computing the left-hand side, canceling the
A
and one of the
b
s gives:
1.44 =
b
2
Enter this as
1.44 = b^2
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