There are 840 people in a leisure centre.
245 of the people are men.
265 of the people are women.
13\displaystyle \frac{1}{3}31 of the children are boys.
Work out how many girls are in the leisure centre.
87 exam-style questions on WJEC GCSE Maths Fractions of an Amount. Each one has a worked solution and a mark scheme showing where the marks go.