score:7
Accepted answer
from p in names
group p by p.Name into g
order by g.Key
select new { Name = g.Key, Amount = g.Sum(o => o.Amount) }
score:8
var personMoney = names.GroupBy(x=>x.Name)
.Select(x=>new {Name = x.Key, AllMoney = x.Sum(y=>y.Money)})
.OrderByDescending(x=>x.AllMoney).ToList();
Source: stackoverflow.com
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