Lucy started with 12 books and gave 3 which is 12-3=9
Lucy has 9 books m
I don't really know what the question is that needs to be solved, but
here's a suggestion that might help:
Since there are seven days in a week, you could multiply 25 milligrams
by 7, and that will tell you the number of milligrams in a whole week.
It is 57! I hope you are satisfied.
The selling price of the computer is $35.
