Question
There is a total of 522 pupils in a school. 51 of them like black. There are 51 more pupils who like purple than black. Some pupils like red.13 of the pupils like grey. Find the ratio of the number of pupils who like grey to those who like red.
3 m

Click button first when a symbol is required. X

There is a total of 522 pupils in a school. 51 of them like black. There are 51 more pupils who like purple than black. Some pupils like red.13 of the pupils like grey. Find the ratio of the number of pupils who like grey to those who like red.