Anne is building bookcases that are 3.1 feet long. How many complete shelves can be cut from a 12-foot board?
1 answer:
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we are given
we can also write it as
now, we can use factor formula
we can use above formula
we get
now, we can simplify it
now, we can set it to 0
and then we can solve for x
now, we can use quadratic formula
now, we can plug values
and we get
So, we will get solution as
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