SOLUTION: Marco Lorenzo, a gardener, can mow a lawn in 3 hours. After 2 hours, it rained and he stopped mowing the lawn. In the afternoon, Alice Tina, completed the rest of the work in one h

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Marco Lorenzo, a gardener, can mow a lawn in 3 hours. After 2 hours, it rained and he stopped mowing the lawn. In the afternoon, Alice Tina, completed the rest of the work in one h      Log On


   



Question 843473: Marco Lorenzo, a gardener, can mow a lawn in 3 hours. After 2 hours, it rained and he stopped mowing the lawn. In the afternoon, Alice Tina, completed the rest of the work in one hour and 30 minutes. How long would it take Alice Tina to mow the lawn by herself? ( answer is 2 hours and 22 minutes - show your solution )
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Marco did 2/3 of the job in 2 hours leaving 1/3 for Alice.
Alice did 1/3 in 1.5 hours so she could do the whole job in 3*1.5 =4.5 hours.
Your answer of 2 hrs 22 minutes is wrong!
I am not the only tutor who thinks so
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