. A gardener can mow a lawn in 3 hours. After 2 hours, it rained and he discontinued the work. In the afternoon, a girl completed the rest of the work in 1 hour and 15 minutes. How long would it take the girl to mow the lawn alone?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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1. A gardener can mow a lawn in 3 hours. After 2 hours, it rained and he
discontinued the work. In the afternoon, a girl completed the rest of the work in
1 hour and 15 minutes. How long would it take the girl to mow the lawn alone?


2. John, Paul, and George can finish a job in 12, 16, and 19 hours respectively.
John and Paul worked together for 4 hours. Paul got tired so George worked in
place of him until the job is finished. How long did John work?

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