syuzannasargsyan919
syuzannasargsyan919 syuzannasargsyan919
  • 25-01-2021
  • Mathematics
contestada

помогтте.............​

помогтте class=

Respuesta :

rashawnwiley7 rashawnwiley7
  • 25-01-2021
What in the world is that
Answer Link
snothing660 snothing660
  • 25-01-2021

Answer:

rivers speed( скорость потока)=1km/h

boats speed( скорость лодки)=11km/h

Step-by-step explanation:

скорость  лодки по течению=60/5=12km/h

скорость лодки против течения=60/10=10km/h

скорость лодки в стоящей воде=(12+10)/2=11km/h

скорость потока=1km/h

Answer Link

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