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12345 [234]
3 years ago
15

aileen and emily are college roommates. working together it takes them 45 minutes to clean their room. today is aileen’s day to

clean. she can clean the room by herself in 2/3 the time emily takes by herself. how long, in minutes, will it take aileen to clean the room by herself?
Mathematics
1 answer:
Gre4nikov [31]3 years ago
4 0

The solution for this problem is:

 

<span>Let time taken by Emily be x </span>

<span>
then Aileen take 2/3 of x = 2x/3 </span>

<span>
1 min work of Emily = 1/x</span>

<span>
1 min work of Aileen = 1/ 2x/3 => 3/2x</span>

<span>
1 min work of both = 1/45</span>

<span>
1/x + 3/2x = 1/45</span>

<span>
5/2x = 1/45</span>

<span>
1/x = 2/225</span>

<span>
Emily take 225/2 mins to complete the work, then Aileen</span>

<span>= 225/2*2/3</span>

<span>= 75 mins.</span>

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Answer:

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Step-by-step explanation:

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6 0
3 years ago
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kumpel [21]

Answer:

The elements of S-block elements are 14, so therefore to create an inequality model we declare S to be the unknown variable.

therefore since we have 14 elements we use an inclusive class interval from 1-14. the model is given as

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Step-by-step explanation:

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4 0
3 years ago
What is the <br> The product of -2 and a number minus six is greater than -18.
Fed [463]
Answer: x>-6

Explanation: -2x -6>-18
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6 0
3 years ago
Can you help me do this please
Salsk061 [2.6K]
The top part equals 1 because anything to the power of zero equals one. then for the second one bring every variable with a negative exponent to the top and leave the 2 at the bottom
5 0
3 years ago
What's the answer to -7=c-6
son4ous [18]
Simple...

you have: -7=c-6

You want to isolate the variable c

-7=c-6
   
-7=c-6
+6   +6

-1=c

Thus, your answer.
6 0
3 years ago
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