51
9 x 6 = 54
9 - 6 = 3
You subtract 54 from the mass number.
You subtract 54 from the mass number.
to find the range of numbers, you take the largest number and subtract the smaller number. 119-(-54)=119+54=173
6x9=54
121
54
45
48
18
It is: 9*54 = 486
It is: 100/54 times 2619 = 4850 Check: 54% of 4850 = 2619
The number is 54. The sum of its digits is 5 + 4 = 9. 54/9 = 6.