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zalisa [80]
3 years ago
15

The cost to write an ad in a news paper is $10 plus $0.25 per word. Write an inequality that can be used to find the maximum amo

unt of words Marianne can put in her ad if the most she can spend is $15.
Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

f(x)=10+0.25x

she can put maximum 20 words

Step-by-step explanation:

f(x)<=15

10+0.25x<=15

0.25x<=5

x<=20

Bezzdna [24]3 years ago
6 0

Answer:

10 + .25 w ≤15

Step-by-step explanation:

The flat fee is 10 dollars

It is .25 per word

10 + .25w

This must be less than or equal to the amount she has to spend

10 + .25 w ≤15

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3 years ago
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write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 40 to 56
masha68 [24]

Answer:

  5/7

Step-by-step explanation:

A common factor of 8 can be canceled from numerator and denominator.

  40/56 = (5·8)/(7·8) = (5/7)·(8/8) = (5/7)·1 = 5/7

_____

Since you know your multiplication tables, you know that 40 and 56 are both multiples of 8.

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If you don't know your multiplication tables, you can find the greatest common divisor (GCD) of the two numbers and divide each by that. The GCD can be found using Euclid's algorithm. For that, you divide the larger by the smaller and use the remainder as the new smaller number. The original smaller number is now the larger number. For these numbers, that looks like ...

  56 ÷ 40 = 1 r 16

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  16 ÷ 8 = 2 r 0 . . . . . the zero remainder signals that the divisor (8) is the GCD

Now, your fraction is ...

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3 0
3 years ago
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Michelle is building a rectangular landing strip for airplanes .She has material to cover 1/1,500 of a square mile. The landing
ANEK [815]
I think that the missing word here is:
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\frac{1}{6} *x

We also know how big it is:

\frac{1}{6} *x= \frac{1}{1 500}

now, let's multiply both sides by 6:
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3 0
3 years ago
A shop sells packs of black pens, packs of red pens and packs of green pens.
olchik [2.2K]

Answer:

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Step-by-step explanation:

The computation of the number of green pens sold is shown below;

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And, the total of 212 pens are sold

So, the number of green pens sold is

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= 85 pens  

4 0
3 years ago
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