Determine the number of lattice points enclosed by the graphs of |2x| = 9 and |3y| = 20.
|2x| = 9
-4.5 < x < 4.5
|3y| = 20
-20/3 < y < 20/3
There are 9 options for x, 13 options for y.
9*13 = 117
=^._.^=
