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In an improper fraction, is the numerator equal to, less than, or greater than the denominator

Find the missing dimension! need asap! tiny square is a =3025 in ²

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.