The scale on a highway construction drawing is 0.5 inches for every 45 miles. if the drawing shows the highway is 4 inches long, how long is the actual highway?

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we know that

using proportion

the axial of symmetry

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for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

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