Answer:
1. 1:4 - 1/4 - 25%
2. 3:5 - 3/5 - 0.6 (simplified version)
6:10 - 6/10 (unsimplified)
Step-by-step explanation:
You use the information you're given, along with everything you know about rectangular prisms, to relate the length to the known information.
Answer: is in the picture