At 1:30 Marlon left his house to go to the beach, a distance of

11.25 miles. He rose his skateboard until 2:15, and then walked the rest of the way. He arrived at the beach at 3:00. Marlon's speed on his skateboard
2 times his walking speed. Find his speed when skateboarding and when walking.

1 answer

Done here by both Steve and me

https://www.jiskha.com/display.cgi?id=1504473584

Always look back to your previous post before re-posting the same question.