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Units is defined as the standard of measurement for a quantity. There are different quantities that are used and measured such as time, length, area, volume, weight and many more. For example the units used for measuring time are, seconds, minutes, hours, days, weeks, months, years. The units belonging to the same quantity can be further converted into each other. Such as one day has twenty four hours. I hours has sixty minutes and so on. Similarly weight has units such as pounds, kilograms and so on. Volume has units such as gallons, liters and so on. Length has units such as meters, centimeter and so on.

Example 1: Divide 20 pounds and 16 ounces by 4?
Solution: Given (20 pounds and 16 ounces) ÷ 4.
Here divide both the pounds and ounces by 4.
So 20 pounds divided by 4 = (20 ÷ 4) pounds = 5 pounds.
Similarly 16 ounces divided by 4 = (16 ÷ 4) pounds = 4 ounces.
Hence (20 pounds and 16 ounces) ÷ 4 = 5 pounds and 4 ounces.
Answer is 5 pounds and 4 ounces
Question: Multiple choice question (Pick the correct option.)
How many pounds are there in 6 Kilograms? Hint: 1kg = 2.2 lb
a)    6                      b) 13.2                        c) 12               d) None of these.
Correct answer: option b.
Explanation: Using the given conversion:1 Kg = 2.2 lb.
Converting pounds to kilograms by multiplying.
By multiplication: 6 Kilograms = 6 x 2.2 lb = 13.2 lb.
Hence, this gives 6 kg = 13.2 lb.

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