A jeweller makes 3-strand pearl necklace. Each strand has 75 pearls. How many packets of 100 pearls will be needed for 12500 such necklaces
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Solution
number of necklaces =12500 total number of strands = numbe rof necklaces x numbe rof strand sper necklaces = 12500 x 3 =37500 total number of perals = total number of strands x number of pearls in each strand =37500 x 75 =2812500 number of packets needed = total number of pearls / number of pearls in each strand = 2812500 / 100 =28125