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Ken walked 300 feet at 4ft/s and then walked 250 feet at 5ft/s . How long did he walk? A. 50 seconds B. 125 seconds C. 20 seconds D. 550 seconds
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Ken walked 300 feet at 4ft/s and then walked 250 feet at 5ft/s . How long did he walk? A. 50 seconds B. 125 seconds C. 20 seconds D. 550 seconds
asked
Sep 13, 2016
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Ken walked 300 feet at 4ft/s and then walked 250 feet at 5ft/s .
How long did he walk?
A.
50 seconds
B.
125 seconds
C.
20 seconds
D.
550 seconds
Mathematics
middle-school
Bardelman
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Bardelman
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300 ft at 4 ft /s
= 300/4= 75 seconds
then he walked 250ft at 5ft/s
= 250/5
= 50 seconds
in total he walked 75+50 = 125 seconds
Therefore the answer is B) 125 seconds
Igor Ivancha
answered
Sep 17, 2016
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Igor Ivancha
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