From the beginning of cross- country season to end, tisha reduced her time by 17%, ankara reduced her by 1/6, juanita reduced hers by 4/25, and julia reduced hers from 16: 00 to 13: 30. who reduced her time by the greatest percent?

Divide the numerator by denominator: 1/6=.1667; 4/25=.16. Change to percents by moving decimal: Ankara: 16.6% or 17%; Juanita: 16%. Find the time difference: 16:00-13.30=2:30. Divide by 100: 2.5/100=.025. Change to percent: Julia: 2.5% or 3%. Tisha reduced her time the most :)