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Trava [24]
3 years ago
6

The larger of two numbers is 7 times the smaller number. Three times the larger number is 7 more than 4 times the smaller number

. Find the numbers.
Mathematics
1 answer:
Juliette [100K]3 years ago
4 0

Let the smaller number be x.

Given, the larger number is 7 times the smaller number.

So, the larger number = 7x.

Given, 3 times the larger number is 7 more than 4 times the smaller number.

So we can write the equation as,

3(7x) = 4(x)+7

3(7x) = 4x+7

21x = 4x+7

Now we have to move 4x to the left side by subtracting 4x from both sides.

21x-4x = 4x-4x+7

21x-4x = 7

17x = 7

To get x, we will divide both sides by 17. We will get,

\frac{17x}{17} = \frac{7}{17}

x = \frac{7}{17}

So the smaller number = \frac{7}{17}

The larger number = 7(\frac{7}{17} ) = \frac{49}{17}

So we have got the required numbers.

Smaller number = \frac{7}{17} and larger number = \frac{49}{17}.

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Disadvantages of representing a function as an equation instead of graph :

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One Friday night, two large groups of people called Weston Taxi Service. The first group requested 2 sedans and 1 minivan, which
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Sedan: 4 passengers

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Step-by-step explanation:

We can write the following system of equations:

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Subtracting the first equation from the second, we have:

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Now plug in m=6 in any of the equations to solve for s:

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Verify that the solution pair (4, 6) works:

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Therefore, a sedan can hold 4 passengers and a minivan can hold 6 passengers.

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