Suppose we want to make a twenty-link chain from the sizes 2, 3, 4, 5, 6, 8, 9, 10 and 12 . What other 3 selection of chains could you put together to make the twenty-link chain, using only the sizes that you see at the top?
Try writing the fractions down in different ways.
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Answer:
add all the sums
Step-by-step explanation:
add all the numbers
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