I am stuck on this problem and I need help trying to figure out how the problem works. We are supposed to be working backwards.

I am stuck on this problem and I need help trying to figure out how the problem works We are supposed to be working backwards class=

Respuesta :

68-40=28...
28 divided by 4= 7...4x7=28...
so the answer is they can by 7 fossils...
hope this helps!