Mary, Martha and Lazarus lives in the same house. It takes Mary 2 h to clean the house alone. Martha spends 1.5 h cleaning the house alone while Lazarus needs 3 h to clean the same house alone. If Mary cleans the house alone for an hour before Lazarus and Martha joins her, how long did Lazarus and Martha clean the house?
Mary, Martha and Lazarus lives in the same house. It takes Mary 2 h to clean the house alone. Martha spends 1.5 h cleaning the house alone while Lazarus needs 3 h to clean the same house alone. If Mary cleans the house alone for an hour before Lazarus and Martha joins her, how long did Lazarus and Martha clean the house?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Mary, Martha and Lazarus lives in the same house. It takes Mary 2 h to clean the house alone. Martha spends 1.5 h cleaning the house alone while Lazarus needs 3 h to clean the same house
alone. If Mary cleans the house alone for an hour before Lazarus and Martha joins her, how long did Lazarus and Martha clean the house?
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