
problem
Zargon glasses
Zumf makes spectacles for the residents of the planet Zargon, who
have either 3 eyes or 4 eyes. How many lenses will Zumf need to
make all the different orders for 9 families?
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
On a farm there were some hens and sheep. Altogether there were 8 heads and 22 feet. How many hens were there?