12 inches to millimeters is 305.0 if u put it the nearest tenth
The order does not matter, so we will be using combinations here. 52C1 is the first one since there is only one possibility. 16C1 is the second. You have to multiply these two, so 52 X 16 = 832.
55 is 55% of 100.
percents are based of of 100, so 55 would be 55/100 or 55%.