The ratio of the corresponding side lengths of two similar posters is 7 In : 20 in. What is the
ratio of the perimeters? (Do NOT write your answer as a fraction)
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A dolphin in an aquarium is 12 feet long. A scale model of the dophine is 3.5 inches long. What
is the scale factor of the model? (Do NOT write your scale factor as a fraction)
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rx and sx

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answer: it's a

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won't that be plagrisim thought?

step-by-step explanation:

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

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