-81
41
It is: 2/5 plus 5/8 = 41/40
the answer is 41
40 + (40 x 0) + 1 = 41.
The solution to 40 plus 40 times 0 plus 1 is 41. The number name is forty-one.
Order or operations: 40 + 40 x 0 + 1 = 40 + 0 + 1 = 41
41/40 or 1 1/40
25/40 + 16/40 = 41/40 = 1 and 1/40
n=40 n2+n+41=1681 which is not a prime.
69 - without the aid of a calculator !
No. it's not a prime number when x = 40, 41, 81,82 ...
40 + 24 / 8 -3 +1 = 41