The martinez family walked three over five of a mile in three over eight of an hour. what is their unit rate in miles per hour?

In order to find the unit rate  in miles per hour, we will use the relation between velocity, time and distance.

We have been given that Martinez family walked three over five of a mile in three over eight of an hour. It means we have

Therefore, the unit rate is miles per hour.

isn't it a pentagon? sense [3 (triangle) + 4 (rectangle)] - 2 (triangle and rectangle connected) = 5 (pentagon)

well if you have a decimal you have to line them up and make sure the you have everything   straight and then add or subtract some thing with   division and   multiplying so just like them up