Peter set out from a certain point at 6 kph. After he had gone two hours, Paul set out to overtake him and went 4 km the first hour, 5 km the second hour, 6 km the third hour, and so on. How many hours after Peter set out were they together?  a. 5 hrs b. 7 hrs c. 8 hrs d. 10 hrs

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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Peter set out from a certain point at 6 kph. After he had gone two hours, Paul set out to overtake him and went 4 km the first hour, 5 km the second hour, 6 km the third hour, and so on. How many hours after Peter set out were they together? 

a. 5 hrs

b. 7 hrs

c. 8 hrs

d. 10 hrs 

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