3 years ago

1 2.2.5 Quiz: Solving Problems by Dividing Fractions

Mathematics

1 answer:

HACTEHA [7]3 years ago

7 0

2 hours at most shordy

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If 111 people attend a concert and tickets for adults cost $4 while tickets for children cost $3.25 and total receipts for the c

VikaD [51]

Answer:

57 children

54 adults

Step-by-step explanation:

Let's call x the number of children admitted and call z the number of adults admitted.

Then we know that:

$x + z = 111$

We also know that:

$3.25x + 4z = 401.25$

We want to find the value of x and z. Then we solve the system of equations:

-Multiplay the first equation by -4 and add it to the second equation:

$-4x - 4z = -444$

$3.25x + 4z = 401.25$

----------------------------------

$-0.75x = -42.75$

$x =\frac{-42.75}{-0.75}\\\\x=57$

Now we substitute the value of x in the first equation and solve for the variable z

$57 + z = 111$

$z = 111-57$

$z = 54$

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3 years ago

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Length of bc is 8
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2 years ago

Divide 28 cans of soda into two groups so the ratio is 3 to 4<br>to

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28 = 3x+4x
x = 4

3x = 12
4x = 16
12:16 = 3:4

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3 years ago

Two students Are reading a novel Ashley read 10 pages per day Carly reads eight pages per day but she starts early and is alread

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Answer:

P = 10D
P = 8D +40

Step-by-step explanation:

Ashley's page count is ...

P = 10D

Carly's page count is ...

P = 8D +40

_____

The page count is the product of the pages per day and the number of days. Since Carly started with a page count of 40, that is added to the product.

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4 years ago

The sides of a square are five to the power of two fifths inches long. How is that written in radical form?

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Remember
$x^ \frac{m}{n}= \sqrt[n]{x^m}$
so
$5^ \frac{2}{5}= \sqrt[5]{5^2}= \sqrt[5]{25}$

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3 years ago