Help! Science Lab!Half-life lab.Please explain, I want to understand the concept and steps.

Q1:find the %of parent atomes?Q2:Find %of daughter atomes(isotopes)Q3:Explain how to Find ratio between Parent&DaughterQ4:Find & explain the theoretical %of parent atomes and daughterQ5:In this experience,what is the half-life of "Candium".Q6:after 2 half-lives what fraction are the atomes that are not decomposed.
We count Skittles logo face up(are decomposing) and Skittles facing down( are put back into the cup to shake again).
total Skittles= 113 parent isotope.

#of parent atomes
1 half-life(7mins later)= 50
2half-lives(7 mins later)= 26
3 half-lives(7mins later)=12
4 " " =4
5 " " = 2
6 " " = 1
7 " " = 0

# of daughter atomes
1 half-life(7mins later)= 63
2half-lives(7 mins later = 24
3 " " = 14
4 " " = 8
5 " " = 2
6 " " = 1
7 " " = 0
Anonymous User
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Asked Mar 27, 2016
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Answered Mar 29, 2018

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