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2/3 of the beads in a box are red 1/4 are yellow and the rest are blue. There are 42 more red beads than blue beads. How many beads are there altogether?

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Answer:

Step-by-step explanation

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User Elimirks
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The fraction of blue beads is 1 - 2/3 - 1/4 = 1/12

If the total number of beads is t then
red - blue = 42
2t/3 - t/12 = 42
therefore
7t/12 = 42
therefore
t = 12x42/7 = 72
User Yanofsky
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