Darnells's car used 8 gallons of gasoline to travel 340 miles. after a mechanic worked on the car it used 7 gallons of gasoline to travel 350 miles. if the price of the gasoline was approximately $4.00 a gallon, to the nearest cent per mile, did it cost to run the car after the mechanic worked on it

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Ms.ortiz sells tomatoes wholesale. the function p(x)=-80x^2+320x-10, graphed below, indicates how much profit she makes on a load of tomatoes if she makes on a load of tomatoes if she sells them for 4-x dollars per kilogram. what should ms.ortiz charge per kilogram of tomatoes to make on a load of tomatoes?

Solve 30% of what = 60 step by step