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Rachel can finish the job in 5 hours, while Carl can finish the same job in 8 hours. How long will i...
4 months ago
Q:
Rachel can finish the job in 5 hours, while Carl can finish the same job in 8 hours. How long will it take them to finish the job together?
Accepted Solution
A:
Answer:1/5+1/10=1/x(2+1)/10=1/x3/10=1/x3*x=10x=10/3x=3.333In 3.333 hours