Question

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

Answer 1

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