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Algebra Difficulty 1.0 Junior Find the answer United Kingdom

Adam, Bill and Chris went swimming 15 times last summer. Adam paid for everyone eight times and Bill paid for everyone seven times. At the end of the summer, Chris calculated that he owed £30. How should he split this between Adam and Bill so that each has paid the same amount?

(A) £ $22$ to Adam and £ $8$ to Bill (B) £ $20$ to Adam and £ $10$ to Bill (C) £ $18$ to Adam and £ $12$ to Bill (D) £ $16$ to Adam and £ $14$ to Bill (E) £ $15$ to Adam and £ $15$ to Bill

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