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Ch. R - Review of Basic Concepts
Lial - College Algebra 13th Edition
Lial13th EditionCollege AlgebraISBN: 9780136881063당신이 사용하는 게 아니라요?교과서 변경
1장, 문제 180

Write each percent as a fraction. Give answers in lowest terms.
2.5%2.5\%

검증된 단계별 안내
1
Understand that percent means 'per hundred,' so 2.5% can be written as the fraction \( \frac{2.5}{100} \).
Convert the decimal 2.5 to a fraction: \( 2.5 = \frac{25}{10} \), so rewrite the fraction as \( \frac{25/10}{100} \).
Simplify the complex fraction by multiplying numerator and denominator: \( \frac{25}{10} \times \frac{1}{100} = \frac{25}{1000} \).
Reduce the fraction \( \frac{25}{1000} \) to its lowest terms by dividing numerator and denominator by their greatest common divisor (GCD).
Express the simplified fraction as the final answer representing 2.5% in lowest terms.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Understanding Percentages

A percentage represents a part out of 100. For example, 2.5% means 2.5 parts out of 100. This concept helps convert percentages into fractions or decimals by recognizing the denominator as 100.
추천 영상:
06:04
Introduction to Polynomial Functions

Converting Percent to Fraction

To convert a percent to a fraction, write the percentage number over 100. For 2.5%, write it as 2.5/100. This step is essential to express the percent in fraction form before simplifying.
추천 영상:
05:45
Radical Expressions with Fractions

Simplifying Fractions

Simplifying fractions involves dividing the numerator and denominator by their greatest common divisor (GCD). For decimals in the numerator, convert to an integer by multiplying numerator and denominator by a power of 10 before simplifying.
추천 영상:
05:45
Radical Expressions with Fractions