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in a school gymnasium a 16 m long rope is used for teaching children rope climbing . to make it easier for the children to climb tge teacher has tied knots at every 8/9 m . how many knots are there in the rope

18 knots 
 
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18 knots
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16 divided by 8/9=16 * 9/8
=18 knots
 
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LENGTH OF THE ROPE              =16 m
DISTANCE FROM EACH KNOT=8/9 m
NUMBER OF KNOTS                    =16 divided by 8/9
                                                           =16  /  8/9 = 16/1 * 9/8
                                                            =144/8
                                                            =18/1
                                                             =18 knots

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18 notes =16?8/9
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S it is a18 knots
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