In a class of 60, where boys are twice that of girls, Alaka is ranked 17th from the top. If there are 9 boys ahead of Alaka, then how many girls are after her in the rank?

- Calculate the number of boys and girls based on the given ratio and total. - Determine the number of students (boys and girls) ahead of Alaka based on her rank. - Identify the number of girls ahead of Alaka. - Assuming Alaka is a girl (as implied by the name and options), calculate the total number of girls up to her rank and then subtract from the total number of girls to find those after her.