Gwen went walking 3 days one week. The first day, she walked 3 1/2 miles. Each day after that, she walked 1/4 mile more than the day before. How many miles did Gwen walk this week?

Sagot :

She walked 11.25 miles because she walked 3.5 mi. the first day, 3.75 mi. the second day, and 4 mi. the third day.


she walked 11.25 miles ................