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First 15% of 8200 = (15/100)×8200 =1230 Km

Second 65% of 240 = (65/100)×240=156

Third 45% of 180 = (45/100)×180 =81

I hope you Got it

Thanks 

1.) 15 X 8200/100 

     = 15 X 82 

     = 1230 KM

Similarly,

65 X 240/100 = 156

45 X 180/100  = 81

0.15*8200 = 1230 km

0.65*240 = 156

0.45*180 = 81

15/100*8200 = 1230 km

65/100*240 = 156

45/100*180 = 81

15% of 8200km means : ( 15/100 ) x 8200,

                                       = 1230km.

Now use the same principal for the rest, remember any number with percentage can be written as for example, 50% = 50/100.

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