We are asked to convert 5 grains to milligrams. We are given the following conversion factor:
[tex]1grain=65mg[/tex]
We can multiply both sides by 5, we get:
[tex]5grain=(5)(65)mg[/tex]
Solving the operation:
[tex]5grain=325mg[/tex]
Therefore, 5 grain is 325 milligrams.
