Grass

Peter and Stanley mow the lawn together in 3 hours 12 minutes. How long would it take Peter alone if Stanley can mow the lawn by himself in 384 minutes?

Final Answer:

a =  384 min

Step-by-step explanation:

s=3 60+12=192 b=384 min  s (1/a+1/b)=1 1/a+1/b=1/s  A=s1b1=19213841=38423841=38421=38410.0026  a=1/A=1/0.0026=384 min



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