40 points joe and bill are working on building a stone wall that will be 120 feet long. joe works from one end and is able to build one ten foot section in 5 hours. bill starts from the other end and is able to finish a ten foot section in 4 hours. how long will it take joe and bill to finish building the wall?

joe is able to build one ten foot section in 5 hours, that is

he complete one, ten foot in 5 hours. so he completes one foot section in

and 120 feet long section in

bill is able to finish a ten foot section in 4 hours. therefore he completes one foot section in

so he completes 120 foot section in

so there together 1hour work is

so they complete the work in

no one knows lol

step-by-step explanation:

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong