The cost to mail a package is $8 for the first 4 pounds and 25 cents for each additional ounce. Which of the following functions
1 answer:
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<h3>Answer: 722.5792 square centimeters</h3>
Work Shown:
Notes:
- 1 inch = 2.54 cm exactly
- The conversion factor
is used to convert from inches to cm. The inches unit in the denominator cancels with one of the inches unit from the original 112 square inches figure.
- We use two identical copies of the same conversion factor to convert from square inches to square centimeters. This is the "multple conversion" your teacher is referring to.
- Think of "square inches", aka
, as "inches times inches". Or think of a 1 inch by 1 inch square that has an area of 1 square inch. The same applies for the square centimeter unit as well.