Unit cost 2

Anarie bought 3 1/2 yards of fabric for $21.00. How much did each yard cost?

Correct answer:

x =  6 USD

Step-by-step explanation:

l=321=3+21=23 2+1=26+1=27=3.5 yd c=21.00 USD  c=x l x=c/l=21/27=21:27=21 72=721 2=742=6 USD

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