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FrozenT [24]
2 years ago
14

The current in a river is 1.0 meters/second. Britney swims 300 meters against the current. If she normally swims with a speed of

2.0 meters/second in still water, how long does it take her to complete the trip?
A.
100 seconds
B.
200 seconds
C.
400 seconds
D.
300 seconds
Mathematics
2 answers:
AVprozaik [17]2 years ago
5 0

Answer:

D) 300 seconds

Step-by-step explanation:

if the river is traveling 1 m/s and Britney is traveling 2 m/s, then half of her speed would be canceled out, resulting in her only traveling 1 m/s taking her 300 seconds or 5 minutes to complete the trip.

AnnZ [28]2 years ago
4 0
Her speed against current= speed in still water - speed of current
= 2 - 1 =1 meter/seconds
Time taken = distance/ speed
= 300/1
= 300 seconds
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