Question 984183
.
M=number of males last year; F=number of females last year
.
F+M=375
F=375-M
.
1.2M=1.3F
1.2(375-F)=1.3F
450-1.2F=1.3F
450=2.5F
180=F There were 180 female volunteers last year.
.
(0.30)F=(0.30)(180)=54
ANSWER: There were 54 more female volunteers this year than last year.