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mixer [17]
3 years ago
14

A2 + 100= 144 what is a

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
5 0

Answer:

22

Step-by-step explanation:

22 x 2 is 44 plus 100 is 144

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Answer:

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Step-by-step explanation:

We are given the following in the question:

Percentage of class that failed = 15%

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Percentage of students that got perfect score =

100\%-\text{Percentage of class that failed}-\text{Percentage of class that made mistakes but did not fail}\\= 100\%-15\%-25\%\\= 60\%

Let x be the total number of students in the class.

Then, we can write:

60\% \text{ of } x = 24\\60\% \times x = 24\\\\\displaystyle\frac{60}{100}\times x = 24\\\\x = 24\times \frac{100}{60}\\\\x = 40

Thus, there are 40 students in the class.

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