Respuesta :

Well, think about it 
3 weeks = 21 days 
so multiply, 0.86 times 21 days
and you get 18.06 meters.

He swim in those 3 weeks for 18060 meters

Further explanation

Swimming is an individual or team racing sport that needs the use of one's entire body to move through water. This sport takes place in pools or open water. During each the event portion , swimmers must swim the strokes legally. Swimmers must finish the butterfly and breaststroke laps with two-hand-touches and finish the backstroke lap on their backs.

Ironman Triathlon is one of a series of long-distance triathlon races. Ironman Triathlon is organized by the World Triathlon Corporation (WTC), consisting of a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bicycle ride and a marathon 26.22-mile (42.20 km) run.

To practice an Ironman competition, John swim 0.86 kilometers each day for three weeks. How many meters did he swim in those 3 weeks?

[tex]1 kilometers =1000 meters\\0.86km=0.86*1000=860m\\[/tex]

John swam 860 meters each day. Therefore

[tex]1 week = 7 days\\3weeks=3*7=21\\21*860=18060 m[/tex]

To practice for an Ironman competition John swim 0.86 kilometers each day for three weeks he swim in those 3 weeks for 18060 m

Learn more

  1. Learn more about Ironman Triathlon https://brainly.com/question/13229667
  2. Learn more about swim https://brainly.com/question/7486859
  3. Learn more about Ironman competition https://brainly.com/question/1746939

Answer details

Grade:  9

Subject:  Math

Chapter:  Ironman competition

Keywords:   Ironman Triathlon, swim, Ironman competition, Triathlon, competition  

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