In mathematics, fractions are often represented as decimals to simplify calculations and increase precision. The decimal representation of a fraction is a way of expressing the fraction as a number in base-10 notation. In this article, we will explore the decimal representation of the fraction 3/5 and its significance in various fields.
The decimal representation of 3/5 can be obtained by performing long division:
0.6
5 ) 3.0
30
25
50
50
Therefore, 3/5 = 0.6. The decimal representation of 3/5 is a non-terminating, repeating decimal. This means that it continues indefinitely without terminating and the sequence of digits 0 and 6 repeats itself.
The decimal representation of 3/5 finds applications in various fields, including:
Measurement: In the metric system, 3/5 represents 60% of a whole. For example, a 3/5 meter is 60% of a full meter.
Probability: In probability theory, 3/5 represents the probability of an event occurring 60 times out of 100.
Finance: In finance, 3/5 is used to calculate percentages, such as a 60% interest rate or a 60% discount.
Science: In science, 3/5 is used to represent ratios and proportions. For example, a solution that contains 3/5 of a solute is said to be 60% concentrated.
Representation | Value |
---|---|
3/5 | 0.6 |
Decimal | Non-terminating, repeating |
Percentage | 60% |
Field | Application | Percentage |
---|---|---|
Measurement | Length, volume, mass | 60% |
Probability | Occurrence of an event | 60% |
Finance | Interest rates, discounts | 60% |
Science | Ratios, proportions | 60% |
Context | Example |
---|---|
Shopping | A 60% discount on a shirt |
Cooking | A recipe that requires 3/5 cup of flour |
Travel | A car that has traveled 3/5 of its journey |
Health | A blood sample that is 3/5 neutrophils |
Story 1:
A store sells shirts for $25 each. On sale day, the store offers a 60% discount. Alice decides to buy a shirt. How much will she pay for the shirt after the discount?
Lesson: The decimal representation of 3/5 can be used to calculate percentages and discounts. In this case, Alice will pay 60% of the original price, which is $15.
Story 2:
A basketball player makes 3 out of 5 free throws. What is the probability that the player will make his next free throw?
Lesson: The decimal representation of 3/5 can be used to calculate probabilities. In this case, the probability that the player will make his next free throw is 60%.
Story 3:
A solution contains 3/5 water and 2/5 salt. What is the percentage of water in the solution?
Lesson: The decimal representation of 3/5 can be used to represent ratios and proportions. In this case, the solution is 60% water and 40% salt.
The decimal representation of 3/5, which is 0.6, is a valuable tool in various fields. It enables accurate calculations, probability estimations, and the representation of ratios and proportions. Understanding the decimal representation of 3/5 contributes to effective problem-solving and a deeper comprehension of quantitative concepts in everyday life.
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