Question

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

three eighths over three fifths = five eighths mile per hour
three eighths over three fifths = one and three fifths miles per hour
three fifths over three eights = one and three fifths miles per hour
three fifths over three eights = five eighths mile per hour

Answer 1

@cwrw238

Answer 2

what grade is this!!?! ^.^

Answer 3

I hope I understand your question correctly.
Lets call '\[x\]' to the unit rate miles per hour, so
\[\frac{ 3 }{ 5 } . x = \frac{ 3 }{ 8 }\]
\[x = \frac{ 5 }{ 8 }\]

Answer 4

So b