Slope B is steeper than Slope A, so she should ski on Slope B.
First, you must find common multiples for the denominator.
[tex]\frac{15}{24}=\frac{30}{48}[/tex] slope A
[tex]\frac{12}{16}=\frac{36}{48}[/tex] slope B
Slope B has a higher vertical feet per 48 horizontal feet, so slope B is steeper.
