Question

At Christmas in Upper Key
Stage Two at a school, 21%
of the children are nine-years-
old, 52% are ten-years-old and
27% are 11-years-old. There
are 18 more 11-year-olds than
nine-year-olds. How many
children are there in total in
Upper Key Stage Two?​

Answer 1

Answer:

% are ten-years-old and

27% are 11-years-old. There

are 18 more 11-year-olds than

nine-year