Adolphin starts at an elevation of feet. he kicks 5 times and increases his elevation by the same amount for each kick. he is now at an elevation of feet. which equation can be used to find x, the number of feet the dolphin traveled with each kick?

Afactory adds 3 red drops and 2 blue drops of coloring to white paint to make each pint of purple paint. the factory will make 50 gallons of the purple paint.how many drops of red and blue coloring will the factory need in the 50 gallon batch of purple paint.