Step 1
Grades she got in her courses are;
[tex]\begin{gathered} B\text{ in her 2-hours calculus course} \\ A\text{ in her 1-hour economics course} \\ C\text{ in her 3-hour biology course} \\ A\text{ in her 5-hour creative writing course} \end{gathered}[/tex]
Step 2
Calculate her grade point for each course= grade x hours
[tex]\begin{gathered} B\text{ in her 2-hours calculus course}=2\times3=6 \\ A\text{ in her 1-hour economics course}=4\times1=4 \end{gathered}[/tex]
[tex]\begin{gathered} C\text{ in her 3-hour biology course}=2\times3=6 \\ A\text{ in her 5-hour creative writing course}=5\times4=20 \end{gathered}[/tex]
Step 3
Find the average
[tex]Average=\frac{total\text{ points}}{total\text{ hours}}[/tex][tex]\begin{gathered} \text{Total points=}6+4+6+20=36 \\ \text{Total hours=}1+5+2+3=11 \end{gathered}[/tex][tex]\begin{gathered} \text{Average}=\frac{36}{11}=3.272727273 \\ \text{Average}\approx3.27 \end{gathered}[/tex]
Answer; Lois's grade point average to the 2 decimal places = 3.27