The numbers of children use the information in the table to calculate
in a junior school
have been recorded here 1 the number of boys and girls in each year
2 the number of girls in the school
3 the number of boys in the school
year group total number ratio of
of children boys to
girls
year 3 80 5: 3
year 4 84 3: 4
year 5 90 8: 7
year 6 85 9: 8