Question

Again same question . Convert the following fractions into percentage c)15/36 d)52/60. e)50/70. f)27/8



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Answer 1

Answer:

Two ratios can be compared by converting them to like fractions. If the two fractions are equal, we say the two given ratios are equivalent.

Keeping things in proportion and getting solutions: If two ratios are equivalent then the four quantities are said to be in proportion. For example, the ratios 8 : 2 and 16 : 4 are equivalent therefore 8, 2, 16 and 4 are in proportion.

The next topic discussed is Percentage - Another Way of Comparing Quantities.

A way of comparing quantities is percentage.

Percentages are numerators of fractions with denominator 100.

Meaning of Percentage

Percentages when total is not hundred

Converting Fractional Numbers to Percentage

Converting Decimals to Percentage

Converting Percentages to Fractions or Decimals

Fun with Estimation

Emphasis will also be laid upon the Use of Percentages.

Percentages are widely used in our daily life:

To find exact number when a certain percent of the total quantity is given.

When parts of a quantity are given to us as ratios, it is seen how to convert them to percentages.

The increase or decrease in a certain quantity can also be expressed as percentage.

The profit or loss incurred in a certain transaction can be expressed in terms of percentages.

While computing interest on an amount borrowed, the rate of interest is given in terms of percents.

Interpreting Percentages

Converting Percentages to “How Many”

Ratios to Percents

Increase or Decrease as Per Cent

Additionally, the Prices Related to an Item or Buying and Selling will also be discussed. Here questions related to money, cost price, selling price, profit, loss, interest etc will be taught.

Profit or Loss as a Percentage

Lastly, the topic Charge Given on Borrowed Money or Simple Interest.

Amount = Principal + Interest.

The money you borrow is known as sum borrowed or principal.

Keeping this money for some time the borrower has to pay some extra money to the bank. This is known as Interest.

Interest for Multiple Years

Each section is supplemented with ample examples and a detailed explanation.

This is a very important chapter not only from the examination point of view but also in handling the day to day life purchases.

All the important points of the discussion are summarized at the end of the chapter- Comparing Quantities