Brady sets out to walk at the rate of 4 miles per hour. After he had been walking 2 and 3/4 hours, Japhet sets out to overtake him and went 4 and 1/2 miles the first hour, 4 and 3/4 miles the second hour, 5 miles the third hour, and so on, gaining 1/4 mile every hour. In how many hours would Japhet overtake Brady?  a. 6hrs b. 8hrs c. 9hrs d. 7hrs

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Brady sets out to walk at the rate of 4 miles per hour. After he had been walking 2 and 3/4 hours, Japhet sets out to overtake him and went 4 and 1/2 miles the first hour, 4 and 3/4 miles the second hour, 5 miles the third hour, and so on, gaining 1/4 mile every hour. In how many hours would Japhet overtake Brady? 
a. 6hrs
b. 8hrs
c. 9hrs
d. 7hrs
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