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Mathematics 25 Online
OpenStudy (anonymous):

A worm of length 15cm is moving a 2 cm/s. An ant overtakes the worm in 5 seconds. how fast is the ant walking?

OpenStudy (anonymous):

5 cm/s

OpenStudy (anonymous):

(10 cm + 15 cm)/5 sec

OpenStudy (anonymous):

could you show your work?

OpenStudy (anonymous):

i had already shown it......

OpenStudy (anonymous):

so you multiplied the speed the worm by the time it took the ant to overtake it, to get the 10??

OpenStudy (hoblos):

the worm is moving 2cm/s => after 5 sec it moves 10cm and its length is 15cm=> the ant must move 25cm in 5sec => it moves 25cm/5sec => 5cm/sec

OpenStudy (anonymous):

great!!!

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