156/195 = 52/65
156 / 80 = 1.95 195 percent.
Multiply 195 by .8 (decimal form for 80%): 195 x .8 = 156
12 x 13 = 156
190.5 is the median of those numbers.
the mulitiples of 39 are 39,78,117,156,195,234,273,..........
230
102.5 is the median.
140, 141, 142, 143, 144, 145, 146, 147, 148, 150, 152, 153, 154, 155, 156, 158, 159, 160, 161, 162, 164, 165, 166, 168, 169, 170, 171, 172, 174, 175, 176, 177, 178, 180, 182, 183, 184, 185, 186, 187, 188, 189, 190, 192, 194, 195, 196, 198, 200
104 117 130 143 156 169 182 195
140, 141, 142, 143, 144, 145, 146, 147, 148, 150, 152, 153, 154, 155, 156, 158, 159, 160, 161, 162, 164, 165, 166, 168, 169, 170, 171, 172, 174, 175, 176, 177, 178, 180, 182, 183, 184, 185, 186, 187, 188, 189, 190, 192, 194, 195, 196, 198, 200, 201
39, 78, 117, 156, 195, 234, 273, 312, 351, 390