The unit rate is 2 pounds per gallon.
Henry's likely error could have been that he multiplied fractions instead of dividing.
Given the rate 1/3 / 1/6 pound per gallon, this can be written in the unit rate by dividing 1/3 by 1/6 pound per gallon.
So, 1/3 divided by 1/6 can be written as [tex]\frac{1/3}{1/6}[/tex]
which further can be simplified as [tex]\frac{1}{3}[/tex] × [tex]\frac{6}{1}[/tex]
and the answer comes out to be 2
Hence, the unit rate is 2 pounds per gallon.
Henry's likely error could have been that he multiplied instead of dividing. That is, he multiplied 1/3 by 1/6, Such that he gets
Hence, the 1/27 pound per gallon he got.
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