1 yard is equal to 3 feet (conversion factor). How many feet are in a football field (100 yards)?
2 answers:
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Answer:
Robert's piece of wire is 5 feet long
and Maria's piece of wires is 7 feet long
Step-by-step explanation:
Suppose x and y are Robert's and Maria's piece of wires respectively.
We can write following equation using this statement "Half of Robert's piece of wire is equal to ⅔ of Maria's wire".
--------------(1)
The total length of their wires is 12 feet.
------------(2)
=>
Substitute x=12-y in equation (1)
Put y=7 in equation (2)