sentence: An A+ or A in regular US History, for example, will factor in 4.0 GPA points to a student's grade; however, an A+ or A in AP US History would factor in 5.0 GPA points, which would improve that student's grade a lot.
modified: A A+ or An in regular US History, for example, will factor in 4.0 GPA points to an students grade; however, an A+ or A in AP US History would factor in 5.0 GPA points, which would improve that students grade alot.