pre algabra

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mark is making a scale drawing of his house.the width of his house is 40 feet.marks room is 10 feet wide by 17 and a half feet long in mark first drawing the width of his house (40feet) is represented by 8 inches what would the dimensions of his room in inches be on the drawing?

  • pre algabra -

    Cross multiply and solve for x.

    8/40 = 10/x

    8/40 = 17.5/x

  • pre algabra -

    what is the end of the answer i need it for the common core test.

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