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Assoli18 [71]
3 years ago
13

Is 3/10 of the visitors were adults and there were 100 visitors how many visitors were adults?

Mathematics
1 answer:
e-lub [12.9K]3 years ago
5 0
So, 3/10 = 100/x\frac{3}{10}= \frac{100}{x}  3x=100(10) 3x=1000 1000/3 = 333.33=x
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Last month, the daily balance in Joana's credit card account was $1,000 for 9 days, $750 for 10 days, $850 for 4 days, and $900
FrozenT [24]

Answer:

<em />Average = \$873<em />

<em />

Step-by-step explanation:

Given

$1000 for 9 days

$750 for 10 days

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Required

Compute the daily average

First, we need to compute the number of days her balance is $900

Assuming the billing cycle is 30 days;

Number\ of\ days = 30 - (9 + 10 + 4)

Number\ of\ days = 30 - 23

Number\ of\ days = 7

The Average is then calculates using:

Average = \frac{\sum fx}{x}

Average = \frac{1000 * 9 + 750 * 10 + 850 * 4 + 900 * 7}{9 + 10 + 4+ 7}

Average = \frac{26200}{30}

Average = 873.333333333

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3 0
3 years ago
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Step-by-step explanation:

Welcome

4 0
3 years ago
Can somebody tell me how too simplify this expression 3(5*+2)
Pie

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Step-by-step explanation:

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Read 2 more answers
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