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Ineed with this problem 21 show steps

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x