Vanna Red sells the vowels a, e, i, o, and u each for a different

Question

price but less than $250. Consonants are free. You must pay
separately for each occurrence of a vowel in a word. Audacious
sells for $260, equivocations for $340, inimitable for $225,
onomatopoeia for $435, and unamibiguous for $225. How much does
Vanna charge for each vowel?

Answer 1

Here's what I came up with...strictly by trial and error. You might want to check to be sure it works out.
a = 30
e = 75
i = 40
o = 30
u = 55
Like I said, be sure it works out.

Answer 2

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