Answer :
We should start by finding how much she did use:
7/8 * 400 = 350 feet used
To find how much she has left, subtract 350 from 400 to get 50 feet.
We should start by finding how much she did use:
7/8 * 400 = 350 feet used
To find how much she has left, subtract 350 from 400 to get 50 feet.