Respuesta :

Answer:

d = 63 m

Explanation:

Speed of Alex is 45 m/min.

We need to find distance he swim in 1  in 24 sec

45 m/min =0.75 m/s

Time, 1 min 24 sec = 84 sec

Speed = distance/time

Distance, d = v × t

d = 0.75 m/s × 84 s

d = 63 m

So, he will cover a distance of 63 m.