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kompoz [17]
3 years ago
15

47.8 is 10% of?? what is the answer and how do I do it??

Mathematics
2 answers:
Vitek1552 [10]3 years ago
6 0
1 \% = \frac{1}{100}\\ \\x \cdot 10 \% = 47.8 \\ \\ x \cdot \not10^{1}\cdot \frac{1}{\not100^{10}}=47.8\\ \\x \cdot \frac{1}{10}=47.8 \ \ /*10 \\ \\ x \cdot \frac{1}{\not10^{1}}\cdot \not10^{1}=47.8 \cdot 10 \\ \\x  =478
bekas [8.4K]3 years ago
4 0
Very simple the answer is 478 to get there you know that 47.8 is 10% of something that something has to equal 100% so 10%x10= 100% 47.8x10=478
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<h3>Answer:</h3>

"complex"

<h3>Explanation:</h3>

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3 years ago
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Answer:

25 students take both subjects.

Step-by-step explanation:

Solve for 60% of 300 students:

60/100 = x/300

Cross multiply:

60 × 300 = 100 × x

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Divide both sides by 100:

180 = x

Solve for 20% of 300 students:

20/100 = x/300

20 × 300 = 100 × x

6000 = 100x

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Solve for the percentage of students in chemistry:

x/100 = 35/300

x × 300 = 100 × 35

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Find the difference in percentages:

100 - 60 - 20 - 11.7

8.3

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Solve for 8.3% of students:

8.3/100 = x/300

8.3 × 300 = 100 × x

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25 + 60 + 180 + 35

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