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A roll of chain is 26 000 mm long to 2 sf. Necklaces are 540mm exactly. What is the greatest guaranteed number of necklaces that could possibly be made from the roll?
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A roll of chain is 26 000 mm long to 2 sf. Necklaces are 540mm exactly. What is the greatest guaranteed number of necklaces that could possibly be made from the roll?

User Supersharp
by
5.3k points

1 Answer

3 votes

Answer:

47

Explanation:

2 sf for this number means to the nearest 1 000

1 000 ÷ 2 = 500

So length of chain on roll is 26 000 ± 500

Greatest guaranteed number given by 25 500 ÷ 540 = 47.33... so answer is 47.

User Blokberg
by
5.6k points
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