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a necklace is made up of three different colored beads: red, blue, and green. if the ratio of blue to red beads is 1:3 and red to green beads is 2:3, what is the fewest number of beads that could be on the necklace if the total number of beads on the necklace is greater than fifty?

choose the best answer. if you need a calculator, use the one you plan to bring with you on test day.