D.1)ONE necklace=28 shellstherefore,number of necklace that can be MADE=112/28 =44 necklace can be made with 112 shells2)a)LADOOS in one packet=4packets needed to pack 80 ladoos=80/4 =20b)if he packs 20 ladoos in one packet then,number of packets required=80/20 =4
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