Answer:
600 units of for snack-size, 1800 units for family-size
Step-by-step explanation:
Answer:
<em>Probability ≈ 0.0714</em>
Step-by-step explanation:
Consider permutation and combination;

b=7a
c=a+100
a+b+c=721
a+7a+a+100=721
9a=621
a=69
c=69+100
c=169
69+b+169=721
b+238=721
b=483
The numbers are 69, 483, and 169
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