<span>Let x be the monthly income of this family. Then 16% of x is $760, meaning that (16/100)x=760. From here we get x=76000/16=4750. So the monthly income of this family is 4750 and their annual income is 12*4750=57000.</span>
D is the correct answer partly because it's the only equation that has the correct outcome and partly because you have to divide 1313 by 4 anyways for the answer to make sense. number of cups you have ÷ number of cups per serving = number of servings