easy · GMAT Quant
A marketing firm uses two email-distribution systems. System A sends 2,000 emails per hour, and System B sends 3,500 emails per hour. System B is started when System A has already sent 4,500 emails.
How many hours after System B starts will both systems have sent the same total number of emails?
- 3
- 1.29
- 2.25
- 0.82
- 1.5
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