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enyata [817]
3 years ago
15

Each teacher can order 3 boxes of pencils for the school year. If 3 boxes together hold 82 pencils how many are in each box? If

each class has 22 students, how many pencils can each student expect to receive for the year? How many are left over?
Mathematics
2 answers:
SashulF [63]3 years ago
6 0
There are 27 & 1/3 pencils in each box. Each student will get 3 pencils per year. There will be 16 pencils left over.
adelina 88 [10]3 years ago
4 0
Each student gets one pencil and there are 16 pencils left over.
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3 years ago
One number is 4 times as large another. The sum of their reciprocals is 45/4. Find the two numbers
Reptile [31]
Let, 
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)

\frac{1}{x} + \frac{1}{y}= \frac{45}{4}...................................equation (2)

Taking equation (2)
\frac{1}{x} + \frac{1}{y}= \frac{45}{4}

Substituting the value of "x" from equation (1), we get,

\frac{1}{(4y)} + \frac{1}{y}= \frac{45}{4}

\frac{1}{4y} + \frac{1}{y}* \frac{4}{4} = \frac{45}{4}

\frac{1}{4y} + \frac{4}{4y}= \frac{45}{4}

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Cross multiplying, we get,

5*4 = 45*4y

20 = 180y
<u />
\frac{20}{180}  = y

\frac{1}{9}  = y

y =  \frac{1}{9}

Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get

x = 4( \frac{1}{9} )

x= \frac{4}{9}

So, the numbers are \frac{1}{9} and \frac{4}{9}

7 0
2 years ago
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Answer:

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Step-by-step explanation:

We can write a proportion

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8 0
3 years ago
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25^2 - 20^2 = A^2
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How many feet are shorter than 20 centimeters
Veseljchak [2.6K]
1 foot is shorter that 20 centimeters
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