Find the average if you got 100 on a test worth 20% of the course grade, 90 on a test worth 30% of the grade, and 80% on a test worth 50% of the grade

Q: Auto sales in a country increased from 16.8 million in 2014 to 17.8 million in 2015. Find the…

A: Auto sales in a country increased from 16.8 million in 2014 to 17.8 million in 2015. We have to find…

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

A: In a math class, one of your 4 test scores is dropped.  On the first three tests, you have the…

Q: round

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Q: Shares originally worth $10.50 fall in a stock market crash to $2.10. Find the percentage decrease.

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Q: Suppose a charity recieved a donation of $18.3 million. If this represents 51% of the charity's…

A: Given charity received is $18.3 MillionThis amount is 51% of charity's donated fundsLet the total…

Q: If Coleen gets an average of 70.85 for the first four quizzes, what must be her grade for the fifth…

A: Consider that the Coleen gets an average of 70.85 for the first four quizzes. Find the grade for the…

Q: Belle buys a blender during the sale. If the original price was $16 and the sale is 75% off, how…

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Q: A stray dog ate 12 of your muffins. That was 3 10th of all of them! With how many did u start ?

A: Given: Let x represent the number of muffins that you started with.       310th  of all of them.…

Q: A book sold 36,700 copies in its first month of realease.suppose the represents 7.8% of the number…

A: If you take your current # of books and divide it by the percentage, that will give you the total…

Q: Ray scored 75 marks for his first math test. His math score increased by 20% on his second math…

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Q: In the year 2003, a person bought a new car for $12500. For each consecutive year after that, the…

A: Amount after depreciation= P [ 1 - r /100]^n  Where P is principle that is original cost , r  is…

Q: A house has increased in value by 28% since it was purchased. If the current value is $500,000, what…

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Q: Raymond got an 85, 88, and 93 on his first three tests. What must he get on his fourth test so that…

A: Raymond got an 85, 88 and 93 on his first three tests. Suppose he scores x on his fourth test so…

Q: In the year 2001, a person bought a new car for $28000. For each consecutive year after that, the…

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Q: 329.4 is what percent of 192 round to the nearest hundredth

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Q: Find the sales price if the original price was 10.50 and the markdown is 10%

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Q: Hasna got an average of 50 in 6 tests. What should she get in the next test to attain the average of…

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Q: if i have a 73.8 average in math, and I get a 30% mark in my last test, what we

A: Introduction: a number obtained by multiplying two or more quantities and then dividing the total by…

Q: The number of patients needing a bed at any point in time in the pediatrics unit at Carver Hospital…

A: Given Mean =19.2 Standard deviations=2.5

Q: At a sale this week, a sofa is being sold for $364. This is 35% discount from the original price.…

A: What is original price??

Q: At a sale this week, a sofa is being sold for $414. This is a 28% discount from the original price.…

A: Let the original price of sofa be: $ x Selling price of sofa is: $414

Q: A sales associate is given a $500 hiring bonus with a new job. She earns an average commiddion of…

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Q: The owner of a store buys wooden benches for $50 each. She marks up the price by 75%. At the end of…

A: Buying price of each bench=$50Marked price is 75% higher than buying price,So,Market…

Q: A person inherited $30,000 and invested the money in two accounts that earned 8.5% and 10% simple…

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Q: A school's enrollment is 5,200, which is a 20% decrease from last year's enrollment. What was last…

A: We need to find the total enrolment last year.

Q: In a math class, one of your 4 test scores is dropped. On the first three tests, you have the…

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Q: Forty percent of the 25 customer who came this morning are adults and the rest are teen. How many…

A: Given: 40% of 25 customers are adults.

Q: A student took all 8 tests in the first semester and had an average score of 82. Then the teacher…

A: The average is defined as the mid-value of an assumed data set. For observations, (n-number of…

Q: If I have a 89.71% in my class and a quiz is worth 5% of my grade, how much will my grade drop if I…

A: Given: The percentage obtained in class=89.71% Total grade for quiz=5% The grade obtained in quiz=0

Q: Each person in a group buys a movie ticket for $12 and a large popcorn for $5.50. What is the cost…

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Q: Mr smart took 3 quizzes and his grades were 99,74, and 83. if a test counts as a grade of 2 quizzes…

A: Given Information: The grades of Mr. Smart in 3 quizzes are 99,74, and 83. If a test counts 2…

Q: Alvin earns $⁢3100 each month. He knows that his phone/internet/cable bill will be an average of…

A: Given information- Alvin earning each month = $3100 Expenditure of Alvin are given below-…

Q: A new company president is said to have caused a company to do a 180 before the new president the…

A: It was given that, the earlier president was losing 10,000 per month.

Q: In the year 2003, a person bought a new car for $17500. For each consecutive year after that, the…

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Q: A property sold for 210% of what the vendors originally paid for it. What was that original price if…

A: The recent selling price of the property is $390600.

Q: In last year's election,165,240 people voted. This was a decrease of 10% from the previous year. How…

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Q: A student completed an exam and their z score was -1.57. What percentage of students did better on…

A: We know that Z-score = (x - mu)/sigma  mu= 0 , sigma =1   X~N( 0,1)

Q: In the year 2003, a person bought a new car for $12500. For each consecutive year after that, the…

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Q: Sales at LL Boutique decreased 10% this month compared to last month. If sales this month were…

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Q: A store sells a shirt with a markup of 60% above what they purchased it from the manufacturer. If…

A: Given The cost price of the shirt for the store is CP =$12.50 A store sells a shirt with a markup of…

Q: Scott has grades of 86, 75, 79, and 95. If all of the grades count the same, what is the lowest…

A: Avarage value of five exams

Q: The price of a stock rose 3 points, fell 15 points, and again fell 7 points. What was the stock's…

A: Given that the price of a stock rose 3 points, fell 15 points, and again fell 7 points

Q: Your boutique buys a hoodie for $15 and sells it for $31.  What is the markup?

A: As we know formula of markup,    Markup =( sale price - cost price )/cost price

Q: Katie got a 68 on her first exam and an 83 on her second exam. At a minimum, what score does she…

A: answer is in next step

Q: In the year 2006, a person bought a new car for $18000. For each consecutive year after that, the…

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Q: At a sale this week, a desk is being sold for $429. This is a 34% discount from the original price.…

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Q: Mary has $17.50 in the past 3 weeks.At this rate,how much will she save in 15weeks?

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Q: A student found the average boat price for 14 boats in a doc was 250,000. Two more boats were later…

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Q: A carpet store sells designer rugs at retail for $785.61. If a 50% markup based on cost is added,…

A: Markup is the difference between selling price and the cost price. If a product is selling by adding…