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Solve the following problems. Please show the solution.

1. If this number is added to it's square, the result is 42. Find the number.

2. Jane and Maria can clean the house in 8 hours if they work together. The time that Jane takes in cleaning the house alone is four hours more than the time Maria takes in cleaning the same house. How long does it take Jane to clean the house alone? How about Maria?

3. A rectangular garden has an area of 84m2 and a perimeter of 38 m. Find its length and width.​

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Answer:

1) 42= 7

2)8÷2=4

Step-by-step explanation:

1)because 7²=42 multiply by itself

2)8 hours if the work together.jane takes 4 hours alone cleaning the house therefore 4 hours for Maria cleaning the same house

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