it costs $.20a min for ashley to call her best friend in mexico she calls her after school every day she called her friend @ 3:30 yesterday the cost was $8.60

what time did she end her call explain

2 answers

8.60/0.2 = 43 minutes

Add 0.43 to 3:30 to find when her call ended.
8.6/.2 = n of minutes

Add the n above to 3:30.