15!/(15-9)!= 32432400
i hate these so much hope it helps! :)
On the map ,
1cm=5km
therefore , 4.7cm= 5/1 x 4.7
=23.5 km <--------------answer
F=m+25
m+f=139, using f from above we have:
m+(m+25)=139
2m+25=139
2m=114
m=57, and since f=m+25
f=82
So there are 57 males and 82 females.
