A tin contains 850g of biscuits and 346g of toffes. By how much did the weight of the biscuits exceed the weight of the toffees?
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reorder Type your question student-name Harshita asked in Math A SHOPKEEPER BUYS A NUMBER OF PACKETS OF BISCUITS FOR RS.80 .IF HE HAD BOUGHT 4 MORE PACKETS FOE THE SAME AMOUNT ,EACH PACKET WOULD COST RS.1 LESS. HOW MANY PACKETS DID HE BUY?? SHARE 3 Follow 3 ANSWER NOW student-name Manas Hardikar answered this 29 helpful votes in Math, Class XII-Science Let the total no. of packets be x then cost of each packet= 80/x no. of packets added= x+4 now cost of each packet = 80/x+4 A.T.Q 80/x-80/x+4 = 1 80x+320-80x=x2 +4x x2 +4x -320 =0 x2 +20x -16x -320 = 0 (x+20)(x-16) = 0 x = -20, 16 no. of packets = 16
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