Answer:
6.25 feet
Explanation:
Don't worry this problem may look difficult but really isn't begin by plugging in both of the lengths into a fraction snd times it by 5
For instance: 5(1.5/1.2)
another thing you could do is divide 5 by 12, and whatever you recieve as the result times it times 15 and you will get the result of 6.25.
Hope this helps, if you have any questions feel free to ask!