I believe that they typo meant 300 fossils of which 21% are snail shells.
Since % means per one hundred...
300(21/100)=63
Elmer has 63 fossilized snail shells.
The answer is the third one
Not sure if this is what you mean but this is what I got.
Answer:
D
Step-by-step explanation:
Associative Property of Multiplication is a(bc) = (ab)c
d is the only one that follows the rule
I'm confused because the answer is 220 quarts.
If you look at the other one you asked, I explained it.
