Posted by Anonymous 1 on .
1.Humans breathe about 15 breathe in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes?
2.Greta ran the 400m dash in 49.07 s.If Greta ran at a constant rate,how many meters did she run in one second?

Maths 
Bill,
285 liters of air.