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docker41 [41]
3 years ago
6

Three-Fourths of the student body attended the pep-rally. If there were 1230 students at the pep rally, how many students are th

ere in all?
Mathematics
1 answer:
tankabanditka [31]3 years ago
8 0
3/4 of the total students = 1230...

3/4x = 1230
x = 1230 * 4/3
x = 4920/3
x = 1640 <=== total students
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Kamila [148]

30% = 0.3

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Solution:

To write percent to decimal, divide the number by 100.

$30\%=\frac{30}{100}

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       $=\frac{3}{10}

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30\%  \ \text{of} \ 90=0.3 \times 90

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3 years ago
a cell phone battery uses 1/3 of its charge in 3/8 of a day. How much charge will it use in one day?​
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Answer:

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Step-by-step explanation:

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Answer:

It decreases.

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3 years ago
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