If 25% of the students in elementary algebra courses receive a grade of A, and there are 300 students enrolled in elementary algebra this year, how many students will receive an A.
Answers
Answer:
Total number of students receiving A grade = 75
Step-by-step explanation:
Total number of students enrolled in elementary algebra this year =300
Percentage of students receiving a grade of A = 25%
To find number of students that will receive a grade of A.
Solution:
In order to find the number of students that will receive a grade of A, we will find the percentage students receiving A grade of the total number of the student.
Number of students receiving A grade =
⇒
Writing 25% as fraction and multiplying.
⇒
⇒
⇒
∴ Total number of students receiving A grade = 75 (Answer)
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Answers
Final answer:
The rectangular room that measures 6 inches by 4 inches on a scale drawing (where 1 inch represents 3 feet) has a real area of 216 square feet. At $5 per square foot, the cost to carpet the room would be $1080.
Explanation:
The subject of the question is a real-life example of using scale measurements in rectangular shapes. In this case, a scale drawing of a rectangular room.
The scale provided is 1 inch to 3 feet, which means that every 1 inch in the drawing corresponds to an actual length of 3 feet. Therefore, a length of 6 inches on the drawing is equivalent to 6 * 3 = 18 feet actual length. Similarly, a width of 4 inches on the drawing is equivalent to 4 * 3 = 12 feet actual width.
Area of a rectangular shape is given by the product of its length and width, so 18 ft * 12 ft = 216 square feet which is the actual area of the room.
Lastly, given that carpeting costs $5 per square foot, the total cost will be the area of the room times the cost per square foot, which is 216 * 5 = $1080.
Learn more about Scale Measurements here:
#SPJ2
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-Amber
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Here are the steps involved in answering this question:
1. We know that 36 handbags were sold for $1620 during the sale.
2. We want to know how much money they earned by selling 36 handbags for 49 dollars each.
Steps:
1. Since 36 handbags were also sold before the sale, multiply 49 by 36.
36 x 49 = 1764
They earned $1764 before the sale.
Now, find the difference between each of the sales.
1764 - 1620 = 144
Answer: $144
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D) 3 and 5
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Answers
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