An investor owns three stocks: A, B, and C. The closing prices of the stocks onthree successive trading days are given in the table.DaysMondayTuesdayWednesdayStock A101216Stock B253015Stock C293232Despite the volatility in the stock prices, the total value of the investor's stocksremained unchanged at $74,000 at the end of each of these three days. Howmany shares of each stock does the investor own?

Answered: Image /qna-images/answer/336a857b-3694-41b4-a571-c6c3c89dbaeb.jpg

Answered: An investor owns three stocks: A, B,…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Over the span of a month, a school tracks student choices at lunch. They find that 56% of all students buy milk with lunch and 32% buy a piece of fruit. If 22% of all students buy both milk and fruit, which of the following represents the percent of students who buy neither? (1) 28% (3) 42% (2) 34% (4) 46%
Over the past three years, a stock produced returns of 6 percent, 15 percent, and -3 percent. respectively. Based on these three years, what range of returns would you expect to see 95 percent of the time? O-12 percent to 24 percent O-21 percent to 33 percent O 0 percent to 12 percent O-3 percent to 15 percent
A store shows a net profit of $65,250 for the year. If the store profit increases by 3.75% per year for the next 15 years what will the net profit be at that point?
Fran receives $153 per year in simple interest from investing $1900. Part is invested at 7%, part at 8% and part at 9%. There is $100 more invested at 9% than at 8%. Find the amount invested at each rate.The amount invested at 7% is $___.The amount invested at 8% is $___.The amount invested at 9% is $___.
ASAP PLEASE If your trading systerm has a losing percentage of 45%, how likely it is to have a series of four losses in a row? 1% 2.25% 45% 4.10%
You own a motel with 30 rooms and have a pricing structure that encourages rentals of rooms in groups. One room rents for $75.00, two for $73.00 each, and in general the group rate per room is found by taking $2 off the base of $75 for each extra room rented. (a) How much money do you charge per room if a group rents 3 rooms? What is the total amount of money you take in? (b) Use a formula to give the rate you charge for each room if you rent n rooms to an organization. (c) Find a formula for a function R = R(n) that gives the total revenue from renting n rooms to a convention host. R(n) = (d) Use functional notation to show the total revenue from renting a block of 7 rooms to a group. Calculate the value.R(7)=$__
The owner of a skating rink rents the rink for parties at $800 if 40 or fewer skaters attend, so that the cost per person is $20 if 40 attend. For each 5 skaters above 40, she reduces the price per skater by $0.50. (a) Construct a table that gives the revenue generated if 40, 50, and 60 skaters attend. No. of skaters Total Revenue 40 50 60 20 19 18 Price per Skater $800 $950 $ 1080 (b) Does the owner's revenue from the rental of the rink increase or decrease as the number of skaters increases from 40 to 60? lo The revenue increases. The revenue decreases. (c) Write the equation that describes the revenue for parties with x groups of five skaters more than 40 skaters. R(x) = (20-0.5x) (40+5x) (d) Find the number of skaters that will maximize the revenue. skaters (e) Find the maximum revenue. $ (f) When the revenue is at the maximum possible, what price is paid per skater? $
f. Now suppose that Lynn contributes nothing to her retirement fund for eight years and then begins contributing $3,000 annually until age 60. How much of her salary would she have contributed to this retirement plan and how much money could she expect to have accumulated at age 60? f?

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