Respuesta :
it took her 80 seconds
100 meters=20
so for each 100 meters its 20
so 20×4=80 (why 4 ,because that's how many times she ran 100 meters)
the correct answer is 80 seconds, not 60.
100 meters=20
so for each 100 meters its 20
so 20×4=80 (why 4 ,because that's how many times she ran 100 meters)
the correct answer is 80 seconds, not 60.