Answer:
12.75 oz
Explanation:
1 gallon is equivalent to 64 oz.
Writing and solving an equation of ratios, we get:
1.5 oz 1 gal
----------- = ------------
x 8.5 gal
Here we must cross-multiply to solve for x.
x(1 gal) = (1.5 oz)(8.5 gal) = 12.75 oz
Thus, x = 12.75 oz of cleaning product must be added to 8.5 gal of water to create the desired solution.