Wouldn’t it just be any number lower than 4.7?
So first add them al together
10+14+40=64
16 ounces=1 pound
1pound/16ounce=1 because they are equal
so then multiply 64 ounce by 1 or 1pound/16ounce to cancel units and get
64 pound/16=4 pound
4 pounds total
Linear… do not take my word for that