Hello!
So the sum of 4 consecutive odd numbers is 40
a + b + c + d = 40
since they are consecutive this can be rewritten as
d + (d - 2) + (d - 4) + (d - 6)
Combine like terms
4d - 12 = 40
Add 12 to both sides
4d = 52
Divide both sides by 4
d = 13
The largest number is 13
Hope this helps!
