Answer:
21 shells
Step-by-step explanation:
10+23+21=64
64/3=21.33
always round down, you'll have one left over
18
10+23+21= 54
54/3=18
Answer: Yes, this is true but it can be a different answer.
As soon as possible after the lecture
Answer: £76.50
You find 10% of 85 = 8.5
then you do £85-£8.50 = 76.50
