Question

a group of collage students is volunteering for help the homeless during their spring break. they are putting the finishing touches on a house they built. working alone, bill can paint a certain room in 9 hours. Paul can paint the same room in 8 hrs. write an equation that can be used to find how long it will take them to paint the room. round if necessary.

Answer 1

\[\frac{8\times 9}{8+9}\] is the "equation" although it is really just a number