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PLEASE HELP NEED URGENTLY

Eric´s mother drives to work in 20 min when driving at her usual speed. When traffic is bad, she drives 10 miles per hour slower, and the trip takes 10 minutes longer. What is Eric´s mother´s usual speed?

User Bouramas
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1 Answer

10 votes

Answer:

30mph

Explanation:

be smart

User Meo
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