High School

Assuming an 81% yield, how many pounds of broccoli should be purchased for a desired edible portion of 176 ounces?

A. 14
B. 217
C. 218
D. 18

Answer :

Final answer:

After calculating with an 81% yield, you would need to start with approximately 217.28 ounces, or 13.58 pounds of broccoli. The correct option is a) 14

Explanation:

To determine how many pounds of broccoli should be purchased to get a desired edible portion of 176 ounces, given an 81% yield, you can set up a proportion. Since yield is the percentage of the initial weight that is usable after preparation, we can write an equation:

81% of total weight = 176 ounces

To find the total weight in ounces before cooking/preparation (which is 100% of the weight), the equation would be:

(total weight)x81% = 176 ounces

First, convert the percentage into decimal form:

81% = 0.81

Then solve for the total weight (TW) in ounces:

TWx0.81 = 176 ounces

TW = 176 / 0.81

TW ≈ 217.28 ounces

Since the weight should be calculated in pounds and there are 16 ounces in a pound, convert the total weight to pounds:

217.28 ounces / 16 ounces/pound ≈ 13.58 pounds

However, as we need to purchase an integer number of pounds and cannot purchase a fraction of a pound, it's necessary to round up, hence you'd need to purchase 14 pounds of broccoli.

The correct option is a) 14