Mathematics for IGCSE & O level - Ratio And Proportion (Section 5 - No. 6)
If the ratio of girls to boys in a class is 4:5, then which statements are correct?
There are more girls than boys.
There are more boys than girls.
Girls make up 4/9 of the class.
Boys make up 5/9 of the class.
설명
Since the ratio is 4:5, hence more boys, and total is 9; hence, girl's share= 4/9, and boys=5/9