To find the correct unit rate for \(\frac{1/4 \text{ gallon}}{1/12 \text{ minute}}\), we will first perform the division of these two fractions.
We can use the fact that dividing by a fraction is the same as multiplying by its reciprocal.
-
Write the division of fractions: \[ \frac{1/4}{1/12} \]
-
Multiply by the reciprocal of the denominator: \[ = \frac{1}{4} \times \frac{12}{1} = \frac{1 \cdot 12}{4 \cdot 1} = \frac{12}{4} \]
-
Simplify the fraction: \[ \frac{12}{4} = 3 \]
Thus, the correct unit rate is: \[ 3 \text{ gallons per minute.} \]
Part 2: Identifying Henry's likely error
Henry probably miscalculated the unit rate when he divided the two fractions. It's possible that he did not properly multiply by the reciprocal or made an arithmetic error during simplification. His answer of \(\frac{1}{48}\) does not accurately result from the correct calculation of \(\frac{1/4}{1/12}\).
In summary, the correct unit rate is: \[ 3 \text{ gallons per minute.} \]