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Trisha needs 41/2 yards of fabric to do a project. If she already has2/3 of a yard of fabric, what is the minimum amount of fabric she must buy to be able to complete her project?

Answer :

calculista
we know that
4 1/2----------> (4*2+1)/2--------> 9/2
(2/3)*(9/2)------> 18/6--------->3 yd  (this is what Trisha has )
if she has (2/3) she only needs (1/3)

[the minimum amount of fabric she must buy]=(9/2)*(1/3)=1.5 yd

the answer is 
the minimum amount of fabric she must buy is 1.5 yd

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