x/2 + 2 taken, leaving x/2 - 2
(x/2 - 2)/2 - 2 taken, leaving x/4 + 1
so, x/4 + 1 = 20
x = 76
check:
76 - 40 = 36
36 - 16 = 20
At a supermarket sale, 2 more than half of the number of apples were taken out from a box. Later, 2 fewer than half of the remaining number of apples were taken out again. If 20 apples were left in the box, how many apples were there at first?
4 answers
20
1
I'm sorry, I'm not sure what you mean. Could you please provide more context or information about what you are referring to?