Question

d) A person swims 100 m in the first
40 s., 80 m in the next 40 s and 45 m
in the last 20 s. What is the average
speed?
(Ans: 2.25 m/s)

please explain step by step ​

Answer 1

Answer:

2.25 m/s it is maths or science subj that looka alike