The Martinez family walked three over five of a mile in three over eight of an hour. What equation can be used to calculate their unit rate in miles per hour?

Group of answer choices

three-fifths over three-eights equalsone and three-fifths miles per hour

three-eighths over three-fifths equalsfive over eight mile per hour

three-eighths over three-fifths equalsone and three-fifths miles per hour

three-fifths over three-eights equalsfive over eight mile per hour

The correct answer is:

three-fifths over three-eighths equals five over eight mile per hour