Decimal 30 = binary 11110. The decimal binary code (BCD), however, is 11 0000.
11110
7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.7 minutes and 30 seconds.
30 minutes
19
30 = 11110
I think its something like this {| ! width="30%" | Letter ! Binary Code | A01000001B01000010C01000011D01000100E01000101F01000110G01000111H01001000I01001001J01001010K01001011L01001100M01001101N01001110O01001111P01010000Q01010001R01010010S01010011T01010100U01010101V01010110W01010111X01011000Y01011001Z01011010 and ! width="30%" | Letter ! Binary Code | a01100001b01100010c01100011d01100100e01100101f01100110g01100111h01101000i01101001j01101010k01101011l01101100m01101101n01101110o01101111p01110000q01110001r01110010s01110011t01110100u01110101v01110110w01110111x01111000y01111001z01111010 |}
30.
11110
3 x 60 minutes = 180 minutes + 30 minutes = 210 minutes
If that's 0.5, half of 30 minutes is 15 minutes.
It is: (4*60)+30 = 270 minutes