Answer :
let h = horse, let c = cow, let p = pig
so,
hcp
hpc
cph
chp
phc
pch
so, that is 6 different ways she can arrange it.
pig, cow, horse
pig, horse, cow
horse, pig, cow
horse, cow, pig
cow, pig, horse
cow, horse, pig
let h = horse, let c = cow, let p = pig
so,
hcp
hpc
cph
chp
phc
pch
so, that is 6 different ways she can arrange it.
pig, cow, horse
pig, horse, cow
horse, pig, cow
horse, cow, pig
cow, pig, horse
cow, horse, pig