Two science classes are conducting an experiment together in the science lab. Each class has 23 students. The tables in the science lab can each seat up to 4 students.
*Write an equation to find the least number of tables needed for all students from both classess in the science lab. Use a letter for the unknown value in your equation.
*How many tables are needed for all the students from both science classes.
Enter your equation, answer, and explanation in the space provided.