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3 years ago

Can someone help me find the percentage please

Mathematics

2 answers:

Lelechka [254]3 years ago

3 0

The # of meals decreased by a total of 120 - 52 = 68 meals. Now in order to find the percent decrease, you must find what total percent 68 is out of 120.

68/120 = x/100, this ratio will give you the percent that 68 is out of 120 if you solve for x.

Using inverse operations you get:

6800 = 120x

x = 56.7% when rounded. Meaning that the total percent decrease was about 56.7

liraira [26]3 years ago

3 0

I think it's like 56.1

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Using the given information, the value of Σfd is 800

<h3>Calculating mean using Assumed mean </h3>

From the question, we are to determine the value of Σfd

The formula for mean, using the assumed mean method is given by

$\bar x = A + \frac{\sum fd}{\sum f}$

Where $\bar x$ is the mean

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Learn more on Mean here: brainly.com/question/20118982

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