Pls help me with math!!!!!!?
Pls help with either of these.
How many ounces of pure water should be added to 20oz of a 40% solution of muriatic acid to obtain a 30% solution of muriatic acid.
And
A Metra commuter train leaves Union station in Chicago at 12 noon. Two hours later, an Amtrak train leaves on the same track, traveling an average speed that is 50 mph faster than the Metra train. At 3 p.m., the Amtrak train is 10 miles behind the commuter train. how fast is each going ?
Rachel haha your funny dude
Metra commercial for Chicago commuter rail
