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A 2-yard piece of copper wire costs $69.60. What is the price per foot?

(Must show work)

A single yard is equivalent to 3 feet. With this information, we find that 2 yards are equal to 6 feet.

A 6 feet piece of copper wire costs $69.60. Divide the total price by the amount of feet to find the price per foot.

The price per foot is $11.60. Let me know if you need any clarifications, thanks!

~ Padoru

$11.60 per foot

Step-by-step explanation:

Step 1:  Find the unit price per yard

69.60 / 2

$34.80 per yard

Step 2:  Find the unit price per foot

1 yard = 3 feet

34.80 / 3

$11.60 per foot

 $11.60 per foot

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step-by-step explanation:

< xcy ≅ < xby

step-by-step explanation:

in δcax and δbax,

so, δcax ≅ δbax (side-angle-side or sas)

since δcax ≅ δbax, we can conclude < acx ≅ < abx

in δacy and δaby,

so, δacy ≅ δaby (side-angle-side or sas)

since δacy ≅ δaby, we can conclude < acy ≅ < aby

now,

< acy ≅ < aby

=> < acx + < xcy ≅ < abx + < xby

=> < acx + < xcy ≅ < acx + < xby   (since < acx ≅ < abx already proved above)

subtracting < acx from both sides, we get

< acx + < xcy -< acx ≅ < acx + < xby -< acx

cancelling out < acx and -< acx from both sides, we get

< xcy ≅ < xby (proved)