At Raging River Sports, polyester-fill sleeping bags sell for $72. Down-fill sleeping bags sell for $144. In one week the store sold 14 sleeping bags for $1,460.

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Ответ:

onegirl435

03.03.2020

Mathematics

Option 1 is correct.

Step-by-step explanation:

Given two linear equations to us are ,

$\qquad 3x + 7y = 10 \\\\ \qquad x + y = 2$

And we have to find which system of linear equations have same answer .

On considering option (1) which is ,

$\qquad 3x + 7y = 10 \\\\ \qquad 2x + 2y = 4$

On taking the second equation in this ,

$= 2x + 2y = 4 \\\\= 2( x + y ) = 4 \\\\= x+y =\dfrac{4}{2}}\\\\\boxed{\red{\bf = x + y = 2 } }$

This is same as the second one given in the Question . And the first one is already same .

Hence option (1) is correct .

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