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bossefamily1
14.02.2021 •
Mathematics
Janine wants a necklace 40 beads long.
She needs __ blue beads and __ black beads.
Work out how many beads of each colour you need to make necklaces to make these patterns.
Please help.
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Ответ:
20 blue beads20 black beads
Ответ:
100% - 19% = 81%
£127 ::: X
Cross multiply
X =102.87