MatheMusic Puzzle

The Puzzle:

Hungry Horace went into the Music Shop to buy some musical sweets which they were selling.

There were three special packs on offer:

1) Ten quavers and five crotchets: 35c (save 5c)

2) Ten crotchets and ten minims: $1 (save 20c)

3) Thirty quavers: 50c (save 10c)

What would be the full price of one quaver, one crotchet and one minim?
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