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shepuryov [24]
3 years ago
5

Which word sentence represents the equation?

Mathematics
2 answers:
PolarNik [594]3 years ago
8 0
I believe its the second one because it say four times the number wich the number is the y and it is = too the number wich is y and increased going up are adding by 9. hope that helped.
Vaselesa [24]3 years ago
4 0
<h2>Answer</h2>

Four times a number equals the number increased by 9.

<h2>Explanation</h2>

Let's translate each one of our word sentences into equations:

Four times a number plus 9 is 9.

Let y be the number

Four times a number is 4y

Four times the number plus 9 is 4y+9

"is 9" means that four times the number plus 9 is equal to nine, so:

4y+9=9  

4y+9=9 is different to our equation, 4y = y + 9, so this is not the word sentence that represents our equation.

Four times a number equals the number increased by 9.

Again, let y be the number

Four times a number is 4y

The number increased by 9 is y+9

Since both are equal, our equation is: 4y=y+9

Look! This is our given equation, so "Four times a number equals the number increased by 9." is the word sentence that represents our equation.

Let's do the last two just for fun:

Four increased by a number equals the number increased by 9.

Let y be the number

Four increased by a number is 4+y

the number increased by 9 is y+9

Since both are equal, 4+y=y+9

This is not our equation.

Four times the sum of a number and 9 is the number.

Let y be the number

The sum of a number and 9 is y+9

Four times that sum is 4(y+9)

Since that sum is equal to the number, 4(y+9)=y

This is not our equation.

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Sloan [31]

<u><em>Answer:</em></u>

Craig earns $1,200 each month

<u><em>Explanation:</em></u>

We are given that Craig pays a total of $720 each year for his telephone service

We also know that a year has 12 months

<u>This means that:</u>

Craig pays \frac{720}{12}= 60 dollars each month for his telephone services

We are given that the monthly phone bill is \frac{1}{20} of his monthly earnings

Assume that his monthly payment is x

<u>We have:</u>

\frac{1}{20}x = PhoneBill\\ \\ \frac{1}{20}x = 60\\ \\   x=60*20 = 1200 dollars

Hope this helps :)

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