Divide 40 by the sum of 3and5

40 / ( 3 + 5 ) = 40 / 8 = 5

To divide 40 by the sum of 3 and 5, you need to perform the following steps:

1. Find the sum of 3 and 5, which is 3 + 5 = 8.
2. Divide 40 by the result obtained in step 1.
40 ÷ 8 = 5.

Therefore, the answer is 5.