9514 1404 393
Answer:
7/10
Step-by-step explanation:
The relevant conversion factors will be those involving feet and yards. The remaining distance, weight, and volume conversions are irrelevant here. Part of problem solving is figuring out what the relevant information is.
1 yard = 3 feet
Then the given ratio is ..
21 feet : 10 yards = 7 yards : 10 yards = 7 : 10
As a fraction, the ratio is 7/10.