45
7000
I assume you mean how many hours to walk 7km. Otherwise you have just given 2 speeds. 900mm a minute = 0.9m in a minute. x60 = 54m per hour 7km is 7000 metres 7000 / 54 = 129.63 hours to walk 7km while walking at 900mm per minute
740
7000
approx 23 words
7000 X 7000= 49000000
7000
2.8% of 7000= 2.8% * 7000= 0.028 * 7000= 196
105015% of 7000= 15% * 7000= 0.15 * 7000= 1050
1% of 7000= 1% * 7000= 0.01 * 7000= 70
1402% of $7000= 2% * $7000= 0.02 * $7000= 140
7000 - 22% = 78% of 7000 = 7000*78/100 = 5460