Here the concept is that we use’l’ to represent the numbers but for number 5 we use 4’l’and we use 1 ’/‘ to represent the number 5 For example:
Please help with my last question I will help you if you help me
The difference is 27, 735 ft
A24 = a16 + (a16-a8) = 2*93 - 45 = 141