Tutors Answer Your Questions about Percentage-and-ratio-word-problems (FREE)
Question 797275: Solve for x. 1000 = x + 1/5x. I have tried deducting 20% from 1000 but the math doesn't work out. 1000-200=800. But 20% of 800 = 160 and 800+160=960. In other words if 1000 is say a total that includes a 20% tip, what is the break down of the total prior to the tip and the tip itself?
Click here to see answer by DrBeeee(684) |
Question 797438: In a cafeteria, the ratio of the number of girls to the number of boys was 1:2. When 24 girls
entered the cafeteria, the new ratio of the number of girls to the number of boys became 2:1.
How many pupils were in the auditorium at first?
Click here to see answer by solver91311(24713)  |
Question 797438: In a cafeteria, the ratio of the number of girls to the number of boys was 1:2. When 24 girls
entered the cafeteria, the new ratio of the number of girls to the number of boys became 2:1.
How many pupils were in the auditorium at first?
Click here to see answer by stanbon(75887) |
Question 798454: here is the problem that I am having trouble with
One of the students in your class was absent the day of the test. The teacher announced that the class average for the 24 students who took the test was 75%. After the other student returned and took the test, the teacher announced that the class average had increased to 76%. Explain how you can calculate what the absentee student got on her test.
Click here to see answer by josmiceli(19441)  |
Question 798532: 1)how much will 50,000 amount to in 1year and 8 months at 9%pa compounded annually
2)a sum of money was lent for 2 years at 20% compounded annually.if interest is compounded half yearly find the sum (take sum as 100 and find the interest
Click here to see answer by Finavon(81) |
Question 798960: you invested money in two funds. last year, the first fund paid a dividend of 9% and the second a dividend of 3, and you received a total of $942. this year, the first fund paid a 10% dividend and the second only 1%, and you received a total of $846. how much money did you invest in each total fund?
Click here to see answer by Finavon(81) |
Question 800900: John has thirty-two feet of chain link fence to enclose a play area for his dog. He wants the area in the shape of a rectangle with length two feet more than the width. What should be the length and width of the enclosure? BE CAREFUL; this is not a ratio problem.
Click here to see answer by Alan3354(69443)  |
Question 800898: Sue is replacing the wood frame around the rectangular window in her kitchen. The width of her window is eight less than three times the height. The total amount of wood needed to go around the window frame is 272 inches. What is the width and height of the window?
Click here to see answer by mananth(16949)  |
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