SOLUTION: It takes John 4 times as long as it takes Jessica to mow a lawn. If it took them both 11 hours to mow the lawn, how long would it take John to mow the lawn alone?

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Question 964722: It takes John 4 times as long as it takes Jessica to mow a lawn. If it took them both 11 hours to mow the lawn, how long would it take John to mow the lawn alone?
Found 3 solutions by josgarithmetic, addingup, MathTherapy:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
Jessica,
John,

You could also say,
Jessica,
John,


The choice of x or t was arbitrary.

------this form will make answering the question asked be a little easier. Solve for t.

Answer by addingup(3677)   (Show Source): You can put this solution on YOUR website!

4times Jessica + Jessica= 11 In one hour:
1/4j+1/j= 1/11 Multiply all denominators by 11j
11/4+11= j
11/4+44/4= j
55/4=j
j= 13.75 hours it takes John. And Jessica? Well, 13.75/3= 3.44 hours.

Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

It takes John 4 times as long as it takes Jessica to mow a lawn. If it took them both 11 hours to mow the lawn, how long would it take John to mow the lawn alone?
Time it takes John, alone:  hours 

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