Question

an athlete swims 750 m in 15 minutes, cycles
30 minutes and runs 5 km at an average speed
for the entire competition, giving your answe​

Answer 1

Answer:

Step-by-step explanation:

avg speed is total distance divided by total time. So, expressing all distances in km, and all times in hours, and recalling that

time = distance/speed

(0.750 + (40 * 1/2) + 5)km/(0.25 + 0.5 + 5000/3 * 1/3600)hr

= 21.229 km/hr