A bricklayer’s apprentice takes 10 hours longer than the bricklayer to make a
fireplace. The apprentice worked alone on a fireplace for 5 hours, after which the
bricklayer began to help. It took 2 more hours for them to finish the fireplace. How
long would it take the apprentice to make the fireplace on his own?
fireplace. The apprentice worked alone on a fireplace for 5 hours, after which the
bricklayer began to help. It took 2 more hours for them to finish the fireplace. How
long would it take the apprentice to make the fireplace on his own?