Respuesta :
Answer:
31.5 min
Step-by-step explanation:
you divide 21 in hald to get 10.5 which is 1/3 to multiply by 3 for a whole race getting 31.5
Answer:
31.5 min
Step-by-step explanation:
you divide 21 in hald to get 10.5 which is 1/3 to multiply by 3 for a whole race getting 31.5