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math

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Fran bought 6 yards of blue tapestry material. She used it to upholster 3 chairs. How much of the material would che need to upholster 7 chairs?

  • math -

    6/3 = 2 yards each

    Take it from there.

  • math -

    make a proportion and cross multiply to solve for x
    (yards/chairs)=(yards/chairs)
    (6yards/3chairs)=(x yards/ 7 chairs)
    (6yards x 7 chairs)/(3 chairs)= x
    (42/3)=x
    14=x
    so 14 yards

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