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?

Plz answer this question properly...Its a request​

Answer 1

Answer:

We now have further evidence on just how important parents are in shaping their children's behaviour, with 77% of young people finding ...