Three runners — Andy, Blaise, and Suzie — were competing in a 100-meter race. When Andy reached the finish line, Blaise was 10 meters behind him. When Blaise reached the finish line, Susie was 10 meters behind her. At the moment that Andy reached the finish line, Susie was how many meters behind him?

Respuesta :

Answer:

20 meters

Step-by-step explanation:

10+10=20

Answer:

19

Step-by-step explanation:

pretty simple blaise runs 9/10 as fast as andy

susie runs 9/10 as fast as blaise

9/10*9/10=81/100 so 100-81=19