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lara31 [8.8K]
3 years ago
7

Anyone? will mark as brainlist and like if it lets me

Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer: D. SRT

Step-by-step explanation:

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One maid can clean the house four times faster than another. Working together they can clean the entire house in 4 hours. How lo
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<u>5 hours</u><u> long would it take the </u><u>faster </u><u>maid cleaning alone.</u>

What is a linear equation in math?

  • A linear equation only has one or two variables.
  • No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction.
  • When you find pairs of values that make a linear equation true and plot those pairs on a coordinate grid, all of the points lie on the same line.

Suppose, time taken by faster maid be x , hours.

So, time taken by slower maid ,

 x_{2} = 4x_{1}        ( 4 time faster maid )

Now, time taken by both of the  made together is given by ,

( \frac{x_{1}x_{2}  }{x_{1} + x_{2} } )

\frac{x_{1}(4x_{1} ) }{x_{1} + 4x_{1} }  = 4 hours

\frac{4x_{1} }{5}  = 4 hours

x_{1} = 5 hours     which is the time required by faster maid.

Learn more about linear equation

brainly.com/question/12974594

#SPJ4

8 0
1 year ago
Answer correct for brainliest and also get a thanks !:-) you don't have to answer B.
skelet666 [1.2K]
I hope this helps you

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