Two accountants, Rhodes and Smith, went to a business meeting together. Rhodes drove to the meeting, and Smith drove

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Two accountants, Rhodes and Smith, went to a business meeting together. Rhodes drove to the meeting, and Smith drove back from the meeting. If Rhodes and Smith each drove 140 kilometers, what was the average speed, in kilometers per hour, at which Rhodes drove?

(1) The average speed at which Smith drove was 70 kilometers per hour.

(2) Rhodes drove for exactly 2 hours.

[spoiler]OA=B[/spoiler]

Source: Veritas Prep
Source: — Data Sufficiency |