Pete works at three part-time jobs to make extra money. What are his average earnings per hour?

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Pete works at three part-time jobs to make extra money. What are his average earnings per hour?

(1) Pete earned $500 for 20 hours at the first job, $150 for 10 hours at the second job, and $100 for 5 hours at the third job.
(2) Pete earned an average of $25 per hour at the first job, $15 per hour at the second job, and $20 per hour at the third job.

[spoiler]OA=A[/spoiler]

Source: Princeton Review
Source: — Data Sufficiency |