There are students from 6th grade, 7th grade, and 8th grade in band. The 7th grade students make up 20%
2 answers:
Hey!
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~Turn into decimal
40% = 0.4
~Multiply
200 * 0.4 = 80 (7th graders in the band)
Now, we can write this as 80 is 20% of what number.
~Turn into decimal
20% = 0.2
~Divide
80 / 0.2 = 400
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Hence, there are students in band!
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Hope This Helped! Good Luck!
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Answer:
a) There is no significant difference between restaurants with and without order-confirmation boards
b) -12.5 ± 3.604 or C.1.E (-16.10, -8.90)
Step-by-step explanation:
answers are in the attachment below
<h2>QUESTION</h2>
What is 33% of 400?
<h2>ANSWER AND EXPLANATION</h2>To find the percent of a number, you have to change the percent into a decimal or a fraction and multiply by the number.
<h3>DECIMAL</h3>To change a percent into a decimal, remove the percent sign and move the decimal point 2 places to the left.
Now that you have your decimal, multiply by 400:
ANSWER = 132
<h3>FRACTION</h3>To change a percent into a fraction, make the percent number as the numerator(top number) and 100 as the denominator(bottom number) since fractions are out of 100.
Now that you have your fraction, multiply by 400:
ANSWER = 132
<em>If you have any questions, feel free to ask in the comments! :)</em>