Question

in a club of 35 boys and 28 girls,80% of the boys and 25% of the girls have been member for more than 2 years.if n percent of the club have been member for more than 2 years,what is the value of n?

Answer 1

find them
80%=80/100=8/10=4/5
25%=25/100=1/4

4/5 of 35 +1/4 of 28=
140/5+28/4=
28+7=
35

35 have been

find 35 out of all
all=boys+girls=35+28=63
35/63=0.55555555555555=aprox 55.55%

n=55.555555% (round if nececary)