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Pre-algebra

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A pole that is 3.1m tall casts a shadow that is 1.64m long. At the same time, a nearby building casts a shadow that is 50.25m long. How tall is the building? Round your answer to the nearest meter.

  • Pre-algebra - ,

    Use a proportion. Cross multiply and solve for x.

    3.1/1.64 = x/50.25

  • Pre-algebra - ,

    94.98

  • Pre-algebra - ,

    72 m

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