Solve Math Percent Problem

Introduction to solve math percent:

In mathematics, a percentage is a way of expressing a number as a fraction of 100 (per cent meaning "per hundred" in French). It is often denoted using the percent sign, "%", or the abbreviation "pct". For example, 45% (read as "forty-five percent") is equal to 45 / 100, or 0.45. Let us see how to computing percentages.                                                       - Source from Wikipedia


Solve math percent problem:


For converting a fraction and a decimal to a Percentage, multiply it by hundred.
For converting a percentage to a fraction and decimal, divide by hundred.
We can write a fraction and a decimal as a percentage.

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Examples for solve math percent problem:


Problem 1:

What is the percentage of 79%?

Solution:

` 79 /100` = 0.79

71% is 0.79

Problem 2:

What is the percentage of 93%?

Solution:

` 93/ 100` = 0.93

93% is 0.93

Problem 3:

How to add 22% to 89?

Solution:

22% + 89 = 0.22 + 89 = 89.22

Problem 4:

Solve 2`1/ 2` % as a fraction

Solution:

2`1 / 2 ` % =  `(2 (1 / 2)) / 100 ` = `5 / (2 * 100)` = `1 / 40`

Problem 5:

A basket contains 250 eggs. 150 were not broken. What percentages of the eggs were broken?

Solution:

Number of eggs                       = 250

Number of eggs not broken    = 150

Total No. of eggs broken        = 250 – 150 = 100

Broken egg's Percentage       = `100 / 250` * 100 = 40%

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Problem 6:

A school hall has 900 seats. 450 of them are occupied. What percentages of the seats are occupied?

Solution:

Number of seats of a school hall    = 900

Number of seats occupied              = 450

Percentage of the seats occupied   = `450 / 900` * 100 = 50%

Problem 7:

What is the percentage of 84.5% of 46?

Solution:

= 84.5 =` (84.5) / 100` = 0.845 * 46

= 38.87

Problem 8:

What is the percentage of 88% of 22?

Solution:

= 88% = 88 /100 = 0.88

0.88 * 22 = 19.36

Therefore 19.36 is 88% of 22.

Problem 9:

What percentage of 2.75 is 25?

Solution:

Percentage = `25 / 275` * 100 = 9.09%

Problem 10:

What percentage of 50 is 10?

Solution:

Percentage = `10 / 50` * 100 = 20%

Practice problem for solve math percents:

Problem 1:

What is the percentage of 28%?

Solution:

= 0.28.

Problem 2:

What is the percentage of 64%?

Solution:

= 0. 64

Problem 3:

What is the percentage of 22% of 72?

Solution:

= 15.84

Therefore 15.84 is 22% of 72.

Problem 4:

What is the percentage of 24% of 68?

Solution:

= 16.32

Therefore 16.32 is 24% of 68.