A scientist had two solutions with she labeled solution a and solution B each contain salt she know that solution a is 55% salt and solution B has a 80% salt she wants to obtain 80 oz of mixture that is 70% salt how many ounces of a solution should you use

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your