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  • one year ago

You wonder how many cars there are in your area. You call up the Ford dealership and ask how many Fords they’ve sold. They report that they’ve sold a total of 15,000 cars. You then take a lawn chair and camp out on a busy road and count cars. You count 1200 cars and note that 700 of them are Fords. Estimate the number of cars in your area

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  1. jim_thompson5910
    • one year ago
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    x = estimated total number of cars \[\Large \frac{\text{number of fords}}{\text{number of cars}}=\frac{\text{number of fords}}{\text{number of cars}}\] \[\Large \frac{15000}{x}=\frac{700}{1200}\] solve for x

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