Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B = 45 – 0.35n, where n is the number of minutes he's talked since purchasing the card. a) How much money was on the card when he purchased it? $ Which intercept is this? Select an answer ♥ b) How many minutes will he have talked when he runs out of money? minutes. Which intercept is this? Select an answer c) What is the slope of this equation? What are the units on the slope? Select an answer

Marcos purchases a top-up card for his pre-paid cell phone. His remaining balance, B, can be modeled by the equation B = 45 – 0.35n, where n is the number of minutes he's talked since purchasing the card. a) How much money was on the card when he purchased it? $ Which intercept is this? Select an answer ♥ b) How many minutes will he have talked when he runs out of money? minutes. Which intercept is this? Select an answer c) What is the slope of this equation? What are the units on the slope? Select an answer

Personal Finance

13th Edition

ISBN:9781337669214

Author:GARMAN

Publisher:GARMAN

Chapter5: Managing Checking And Savings Accounts

Section: Chapter Questions

Problem 7FPC

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Andrew has purchased a new car. He want to set aside enough money in a bank account to pay the maintenance for the first three years. The maintenance cost of the car is: Year 1: $120 2: $150 3: $180 Assume that the maintenance costs occcur at the end of each year and that the bank pays 5% interest. How much should Andrew deposit in the bank now? In order to solve this question, what information & formula would Andrew need? n=5, i=7%, G=60 and ? = ?(? + ? ) � A1=120, G=30, n=3, i=5% & ? = ? [ ?/ ? − (? / (?+?) ?−?) ] A1=150, i=8%, G=50, n=4 & ? = ? [ (?+?) ?−? ?(?+?) ? ] G=210, i=5%, n=3, & ? = ?[ (?+?) ?−? / ? ]
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