Final answer:
The student's question involves calculating ratios within a school chorus. The ratio of girls to boys is 26:19, the ratio of fifth graders to sixth graders is 21:24, and the ratio of girls to total students is 26:45 or about 58% girls.
Step-by-step explanation:
The question deals with calculating the ratios of different groups of students within a school chorus. To find these ratios, one must count and compare the respective numbers of students within each group.
Answers:
The ratio of girls to boys in the chorus is calculated by adding the number of girls (12 fifth-grade girls + 14 sixth-grade girls) and dividing by the total number of boys (9 fifth-grade boys + 10 sixth-grade boys), which results in a ratio of 26:19.
The ratio of fifth graders to sixth graders can be found by adding the number of fifth-grade students (12 girls + 9 boys) and comparing it to the number of sixth-grade students (14 girls + 10 boys), resulting in a ratio of 21:24.
For the ratio of girls to the total number of chorus members, one must divide the total number of girls (26) by the overall number of students in the chorus (45), resulting in a ratio of 26:45 or approximately 58% girls.