Answer:
The answer is D
Step-by-step explanation:
I wish i can explan but i got to go, piece
The distributive property: a(b - c) = ab - ac
27 - 18r = 9·3 - 9·2r = 9(3 - 2r)
Answer:
Second Man = (2 Hours * 1.3333 Hours) / (2 Hours - 1.3333 Hours)
Second Man = (2.6666666667 ) / (.666666667)
Second Man (when working alone) = 4 Hours
Step-by-step explanation: