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BeatriceM2012
Please help!? This is due tomorrow! And it's getting late! Mary and Linda each made a scarf for their doll. The picture below shows the measurements of each scarf. Mary's scarf: base - 9cm ; height - 4 cm Linda's scarf: base - 12 cm ; height - 7cm Which of the following statements is true? A. The scarfs are not proportional because 4 × 9 is not equal to 12 × 7. B. The scarfs are not proportional because 9 × 7 is not equal to 12 × 4. C. The scarfs are proportional because 4 + 9 = 13 and 12 + 7 = 19. D. The scarfs are proportional because 9 + 7 = 12 + 4.
I'm guessing B...
Set up a proportion 7/12=4/9 cross multiply gives u 7*9=4*12 and that's b