SOLUTION: if matt and jim can mow a lawn in 3 hours. working alone matt takes 3 times longer than jim. how fast can jim mow the lawn alone
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Question 725713: if matt and jim can mow a lawn in 3 hours. working alone matt takes 3 times longer than jim. how fast can jim mow the lawn alone Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! 1/X+1/3X=1/3
(3X+X)/3X*X=1/3
4X/3X^2=1/3 CROSS MULTIPLY.
3X^2=3*4X
3X^2=12X DIVIDE BY 3X.
X=4 ANS.
1/4+1/3*4=1/3
1/4+1/12=1/3
(4+12)/4*12=1/3
16/48=1/3
1/3=1/3
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