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Courtney and Joe are power washing the patio. Courtney can power wash the entire
patio in 7 hours while it takes Joe just 5 hours to power wash the patio. How long will
it take Courtney and Joe to power wash the patio together? Choose the equation that
should be used to solve this problem and state the solution.

Sagot :

Answer:6

Step-by-step explanation:

I think it right