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Vlad [161]
3 years ago
8

Kendra washes windows in an office building. She washes 25 2 5 of the windows on Monday. She washes 13 1 3 of the windows on Tue

sday. What fraction of the windows remain for Kendra to wash?
Mathematics
1 answer:
scoray [572]3 years ago
5 0

I think you mean 2/5 and not 25 for Monday and 1/3 and not 13 on Tuesday. So i will solve with the fraction.

Answer: The fraction of the windows remaining  for Kendra to wash=4/15

Step-by-step explanation:

Step 1

The fraction of windows washed on Monday = 2/5

The fraction of windows washed on Tuesday= 1/3

Fraction remaining to be washed = Total windows - Fraction already washed

Step 255

Fraction already washed=2/5 + 1/3 =6+ 5/15 = 11/15

The total numbers of windows in the office will be represented as 1 whole number since we are dealing with fractions such that the

Fraction remaining to be washed = 1- Fraction already washed

= 1- 11/15 = 15/15-11/15= 4/15

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At Brighton Middle School, Mr. Yule asked 50 randomly selected students from each grade level about their favorite subject, and
Ugo [173]

Answer:

Yes, he made a reasonable inference by saying about 25 percent of students choose the science.

Step-by-step explanation:

Given that

Number of students for survey = 50

Number of students who choose science = 12

Now

Percentage of student who choose science = \frac{12}{50} x 100

Percentage of student who choose science = \frac{12*100}{50}

Percentage of student who choose science = 24 %

Now as Mr. Yule said "about 25" percent of students choose the science it can be treated as reasonable approximation.

Now if the number of students in survey become 200, then we can expect 12 out of every 50 students would choose the science. So, in total 48 students would choose the science.

Now lets calculate the percentage of students who choose science.

Percentage of student who choose science = \frac{48}{200} x 100

Percentage of student who choose science = \frac{48*100}{200}

Percentage of student who choose science = 24 %



7 0
3 years ago
Read 2 more answers
Please help me I am really confused.
Feliz [49]

Answer:

f(96) = 85

Step-by-step explanation:

f'(95) gives us the slop of 6, which can be used to estimate the increase

of the next number.

Ex) f(95) = 79 & f'(95) = 6 so

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4 0
3 years ago
What fraction is equivalent to -3/2
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Step-by-step explanation:

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Answer:

The answer to your question would be...

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8 0
2 years ago
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Solve by the substitution method. Show your work for full credit.<br> y = 3x – 12<br> 2x – 3y = -13
denis23 [38]
Hello
y=3x-12
2x-3(3x-12)=-13
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==>-7x=-49
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y=3*7-12
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4 0
3 years ago
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