Hannah has $482.75 in her savings account. she would like her account balance to be more than $1,250 before she buys a cell phone. hannah plans to save $85.25 a month. how many months will it be until she can buy a cell phone

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.