High School

A human head weighs 160 ounces. What is that weight in kilograms? Analyze the work below.

Given:
1 pound = 16 ounces
1,000 grams = 1 kilogram
1 kilogram = 2.2 pounds

Student's work:
\[
\frac{160 \text{ ounces}}{1} \times \frac{16 \text{ pounds}}{1 \text{ ounce}} \times \frac{1 \text{ kilogram}}{2.2 \text{ pounds}} \approx 1,163.6
\]

What is the student's error?

A. The student forgot to multiply by \(\frac{1,000 \text{ grams}}{1 \text{ kilogram}}\).

B. The student forgot to multiply by \(\frac{1 \text{ kilogram}}{1,000 \text{ grams}}\).

C. The student multiplied by \(\frac{16 \text{ pounds}}{1 \text{ ounce}}\) instead of \(\frac{1 \text{ pound}}{16 \text{ ounces}}\).

D. The student multiplied by \(\frac{1 \text{ kilogram}}{2.2 \text{ pounds}}\) instead of \(\frac{2.2 \text{ pounds}}{1 \text{ kilogram}}\).

Answer :

The equivalent of the weight that has a measure of 60 ounces in kilogram is 4.54 kg

How to determine the weight in kilogram

from the question, we have the following parameters that can be used in our computation:

Weight = 160 ounces

When converted to kilogram, we divide the weight by 35.274

Using the above as a guide, we have the following:

Weight = 160/35.274 kg

Evaluate

Weight = 4.54 kg

Hence, the weight in kilogram is 4.54 kg

Read more about metric unit at

https://brainly.com/question/3874178


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