Question

water weighs about 8.34 pounds per gallon. About how many ounces per gallon is the weight of the water?

Answer 1

Use a conversion factor and turn pounds to ounces. 1 pound = 16 ounces so
$\frac{8.34pounds}{gallon} \times \frac{16 ounces}{ 1 pound} =133.44 \frac{ounces}{gallon}$