Mathematics
Mathematics, 21.01.2020 21:31, jdobes9578

Working together, sam and charlie can change all the
ght bulbs in the office building in 3 hours. it would have
ken charlie 8 hours to do the job alone.
which equation can be used to solve for the rate, r, for
sam to change all the light bulbs in the office building
by himself?

answer
Answers: 3
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