# Questions on Algebra: Percentage and Pie Charts answered by real tutors!

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 Algebra: Percentage and Pie Charts Solvers Lessons Answers archive Quiz In Depth

 Question 327991: The question I have is write 37.2% as a reduced fraction. please explain the answer. my book is saying 93/250 but I just don't understand. Click here to see answer by Fombitz(13828)

 Question 328019: Need help solving: A student took a test composed of 20 questions, with correct answers worth 3 points. If the student received 48 points for his grade, how many questions were correct? Click here to see answer by meay7c(10)

 Question 328964: a total of 50 juniors and seniors were given a mathematics test. the 35 juniors attained an average score of 80 while the 15 seniors attained an average of 70. what was the average score for all 50 students who took the test? Click here to see answer by stanbon(57967)

 Question 329633: a satellite has an elliptical orbit around the earth with one focus at the earths center E. the earths radius is 4000 miles, the highest point from the earth is 800 miles and the lowest point is 200 miles. what is the eccentricity of the satellites orbit Click here to see answer by Edwin McCravy(8999)

 Question 329979: The first quarter earnings was 25% and the second quarter earning was at 15%. If the earnings in the second quarter were \$117,000, what were the earnings for the first quarter? Click here to see answer by checkley77(12569)

 Question 331521: These are my questions that need help with: 1.Which of the following is equivalent to (10-4i )/(1-i)? 2.Which of the following correctly represents 0.14 as a fraction. 3.What is the derivative of g(x) = (x2 + 1)(x3 + 3) with respect to x? 4.A set of test scores has a mean of 73% and a standard deviation of 8. Approximately what percentage of students scored between 65% and 81% on the test? 5.What is the probability of drawing a red face card (i.e. a red jack, queen, or king) from a standard deck of 52 cards? 6.Which of the following angles is complementary to & #952; = 2& #960;/9 radians? 7.In a circle is a tangent at A. If the area of circle O is 16π and BO = 1, what is the circumference of P? Click here to see answer by JBarnum(2044)

 Question 331679: Simone can assemble a radio in 4 hours, and Sheila can assemble the same model radio in 7 hours. How long would it take them to assemble one radio if they worked together? Click here to see answer by nerdybill(7003)

 Question 331838: clearence answered 92% of the questions correctly if he answered 103 questions corectly how many questions were on the test? Click here to see answer by nerdybill(7003)

 Question 332025: Seventy percent of the annual revenue for a credit card company comes from interest and penalties. If the amount for interest and penalties was \$210 million, then what was the annual revenue? Click here to see answer by rfer(12730)

 Question 332558: How can i convert this problem 19/20 in its other two form. I am doing percents thank you. Click here to see answer by nerdybill(7003)

 Question 332655: A salesperson has two job offers. Company A offers a weekly salary of \$630 plus commission of 14% of sales. Company B offers a weekly salary of \$1260 plus commission of 7% of sales. What is the amount of sales above which Company A's offer is the better of the two? Click here to see answer by rfer(12730)

 Question 332748: Find 32 out of 38 in percentage. Thank you Click here to see answer by vleith(2825)

 Question 333368: Find my percent on a test if I received 42 points out of 80 possible. Thank you Click here to see answer by solver91311(17077)

 Question 334323: Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost \$450? Click here to see answer by rfer(12730)

 Question 334524: After spending 128% of his income, a man has to borrow \$756 from his friend to make up the difference. Find his income Click here to see answer by jim_thompson5910(28715)

 Question 334527: if 1.18% = 18% how else can i write 2.3% ? Click here to see answer by Alan3354(31518)
 Question 334527: if 1.18% = 18% how else can i write 2.3% ? Click here to see answer by jim_thompson5910(28715)

 Question 334973: If I invest \$150.00 in an account for ten years at a 6% interest rate compounded semi-annually, how much money will I have after 10 years? Click here to see answer by solver91311(17077)

 Question 336705: My question wants a percentage. I have the answer but need the formula. In 2002 jobs 183,000 In 2010 jobs 264,000 Difference 81,000 The answer shows 44.3% What is the formula to figure this out. Nobody here seems to know the answer. Thanks Bridgette bridgettetuttle@hotmail.com Click here to see answer by Fombitz(13828)
 Question 336705: My question wants a percentage. I have the answer but need the formula. In 2002 jobs 183,000 In 2010 jobs 264,000 Difference 81,000 The answer shows 44.3% What is the formula to figure this out. Nobody here seems to know the answer. Thanks Bridgette bridgettetuttle@hotmail.com Click here to see answer by jim_thompson5910(28715)

 Question 336863: the following table gives the winning percentages of the top five coaches in NFL history. What fraction of his games has each coach won? Don Shula 0.676 George Halas 0.672 Tom Landry 0.606 Curly Lambeau 0.624 Paul Brown 0.667 Click here to see answer by rfer(12730)

 Question 337484: Can you provide me with detail instructions how to construct four separate pie graphs- = 10%, 50%, 70%, 90%. I will await your prompt reply. Thank you. Victor James 5 Click here to see answer by Fombitz(13828)

 Question 337686: A realtor earned \$6300 in commissions on a sale of \$210,000. What was the percentage rate he earned on the sale? Click here to see answer by Stitch(352)

 Question 337894: The sales price of a car is \$12,590, which is 20% off the original price. What is the original price? Click here to see answer by rfer(12730)