The numbers are 15, 16 and 17.
14, 15, 16 and 17.
15, 16 and 17
17
No five consecutive numbers make 77. 13 + 14 + 15 + 16 + 17 = 75 and 14 + 15 + 16 + 17 + 18 = 80 You cannot consider fractional numbers because the concept of consecutive does not apply to fractions.
-17, -16 and -15
If you are wanting to add odd numbers to get 399, it won't work. If you are wanting to multiply to get 399, it is 19 x 21.
399
15 and 17
The numbers are 15, 16 and 17.
14, 15, 16 and 17.
15, 16 and 17
17
No five consecutive numbers make 77. 13 + 14 + 15 + 16 + 17 = 75 and 14 + 15 + 16 + 17 + 18 = 80 You cannot consider fractional numbers because the concept of consecutive does not apply to fractions.
15 x 17
It is 15 and 17
The integers are 15 and 17.