Firm UpDirections: Write the working equations which best represent the followingproblems.1. The secretary of the council can draft a communication letter in 15 minuteswhile the assistant secretary can finish the same in 32 minutes.

Given: Letter is written by the secretary in 15 minutes The letter is written by the secretary in 15…

Answered: Firm Up Directions: Write the working…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Similar questions

1) A hockey team plays in an arena that holds 100,000 spectators. Each ticket is sold at $15, producing an average attendance of 50,000. When the ticket price is lowered to $10, the average attendance rises to 65,000. a) Find an equation to represent the number of tickets sold for the given price, p. b) How should the ticket prices be set to maximize revenue?
1. Symbolize each problem as an equation (or a system) but do not solve it. (a). A chem lab stores acid solutions in two concentrations, 8% and 15%. How much of each should a chemist mix to obtain 5 liters of a 10% solution? 10 (b). A rectangle’s length is 5 cm longer than half the width. The perimeter is 100 cm. What is the rectangle’s width? (c). A rectangle’s width is 3 cm shorter than twice the length. The area is 54 sq cm. What is the rectangle’s length? (d). A car leaves San Francisco going 55mph. A second car follows the first an hour later, traveling at 60mph. When does the second car catch up to the first? 13
Challenging
How would I solve this? Last year, Jenny had 120 acres more than Mackie, but Mackie sold half of his acres whileJenny bought 200 new acres with the result that Jenny now has 40 acres less than threetimes the number of acres Mackie has. How many acres of land does each farmer ownnow?
Ms. Jones has a maximum of $15,000 to invest in two types of bondsBond A returns 8% and bond B returns 10% per year Because bond B is not as safe as bond A, Ms. Jones decides that her invest- ment in bond B will not exceed 40% of her invest- ment in bond A by more than $1000. How much should she invest at each rate to obtain the maxi- mum number of dollars in interest per year ?
Solve the following systems of equations. a. x = 4 (5) and x = 7 (11). b. x = 34 (100) and x = -1 (51). c. x = 3 (7), x = 0 (4), and x = 8 (25).
both sheets are for the same problem.
Jenni’s younger brother Archer is jealous of all the money his sister is making, so he decided to start a gardeningbuisness. He decides to buy a lawn mower for $100. He estimates that it will cost $1.75 in fuel to mow onelawn. Based on this decisison, he decides to charge $10 per lawn. (a) Write the cost, revenue, and profit equations for Archer’s hat buisness. (b) Determine the profit if he mows 6 lawns. (c) Determine thebreak-evenpoint.

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Firm Up Directions: Write the working equations which best represent the following problems. 1. The secretary of the council can draft a communication letter in 15 minutes while the assistant secretary can finish the same in 32 minutes.