33 folders cost $ 2.91 $2.91dollar sign, 2, point, 91. Which equation would help determine the cost of 2 22 folders? Choose 1 answer: Choose 1 answer: (Choice A) A 2 $ 2.91 = x 3 $2.91 2 = 3 x start fraction, 2, divided by, dollar sign, 2, point, 91, end fraction, equals, start fraction, x, divided by, 3, end fraction (Choice B) B 2 x = 3 $ 2.91 x 2 = $2.91 3 start fraction, 2, divided by, x, end fraction, equals, start fraction, 3, divided by, dollar sign, 2, point, 91, end fraction (Choice C) C x 2 = 3 $ 2.91 2 x = $2.91 3 start fraction, x, divided by, 2, end fraction, equals, start fraction, 3, divided by, dollar sign, 2, point, 91, end fraction (Choice D) D 2 x = $ 2.91 3 x 2 = 3 $2.91 start fraction, 2, divided by, x, end fraction, equals, start fraction, dollar sign, 2, point, 91, divided by, 3, end fraction (Choice E) E None of the above

Question

contestada

Respuesta :

calculista calculista · Answer 1 · 2020-04-14T14:39:56+02:00

Answer:

Option B. start fraction, 2, divided by, x, end fraction, equals, start fraction, 3, divided by, dollar sign, 2, point, 91, end fraction

Step-by-step explanation:

The correct question is

3 folders cost $2.91 which equation would help determine the cost of 2 folders

we know that

3 folders cost $2.91

so

by proportion

Determine the cost of 2 folders

Let

x ----> the cost of 2 folders

[tex]\frac{2}{x}=\frac{3}{2.91}[/tex]

solve for x

[tex]3x=2(2.91)[/tex]

[tex]x=\$1.94[/tex]

therefore

The cost of 2 folders is $1.94

sugarglider738 sugarglider738 · Answer 2 · 2020-07-27T16:12:57+02:00

Answer:

answer b

Step-by-step explanation:

khan academy

Answer Link