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The ratio number of beads in Box A to the number of beads in the Box B is 3:5. The ratio of the number of beads in Box A to the number of beads in Box B bacame 1:3 when 10 beads were transferred from Box a to Box. B. How many beads were there in Box A at first?
11 years ago

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Steve
a/b = 3/5
(a-10)/(b+10) = 1/3

a = 30
11 years ago

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