Decisions, decisions #2

Discrete Mathematics Level pending

Marcy, Julia, and Ben are deciding what kind of pet they want.

Marcy's percentage of getting a horse is 89%
Julia's percentage for getting a horse is 60%
Marcy's percentage of getting a dog is 47%
Julia's percentage for getting a dog is 78%
Ben's percentage for getting a horse is the average of Marcy's and Julia's percentages.
Ben's percentage for getting a dog is the average of Marcy's and Julia's percentages.

What is Ben's percentage of getting a horse?
What is Ben's percentage of getting a dog?

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