At the beginning of the first day (day 1) after grape harvesting is completed, a grape grower has 8000 kg of grapes in storage. On day n, for n = 1, 2, . . . , the grape grower sells 250n/(n + 1) kg of the grapes at the local market at the price of $2.50 per kg. He leaves the rest of the grapes in storage where each day they dry out a little so that their weight decreases by 3%. Let wn be the weight (in kg) of the stored grapes at the beginning of day n for n ≥ 1 (before he takes any to the market). (a) Find the value of wn for n = 2. (b) Find a recursive definition for wn. (You may find it helpful to draw a timeline.) (c) Let rn be the total revenue (in dollars) earned from the stored grapes from the beginning of day 1 up to the beginning of day n for n ≥ 1. Find a recursive formula for rn. (d) Write a MATLAB program to compute wn and rn for n = 1, 2, . . . , num where num is entered by the user, and display the values in three columns: n, wn, rn with appropriate headings. Run the program for num = 20. (Use format bank.) (e) Use your MATLAB program to determine how many days it will take to sell all of the grapes

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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At the beginning of the first day (day 1) after grape harvesting is completed, a grape grower has 8000 kg of grapes in storage. On day n, for n = 1, 2, . . . ,
the grape grower sells 250n/(n + 1) kg of the grapes at the local market at the price
of $2.50 per kg. He leaves the rest of the grapes in storage where each day they dry
out a little so that their weight decreases by 3%. Let wn be the weight (in kg) of
the stored grapes at the beginning of day n for n ≥ 1 (before he takes any to the
market).
(a) Find the value of wn for n = 2.
(b) Find a recursive definition for wn. (You may find it helpful to draw a timeline.)
(c) Let rn be the total revenue (in dollars) earned from the stored grapes from the
beginning of day 1 up to the beginning of day n for n ≥ 1. Find a recursive
formula for rn.
(d) Write a MATLAB program to compute wn and rn for n = 1, 2, . . . , num where
num is entered by the user, and display the values in three columns: n, wn, rn
with appropriate headings.
Run the program for num = 20. (Use format bank.)
(e) Use your MATLAB program to determine how many days it will take to sell
all of the grapes

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