Question 388085
x = sean's age.
x - 5 = peter's age.

x + x-5 <= 37

combine like terms to get:

2x - 5 <= 37

add 5 to both sides to get:

2x <= 42

divide both sides by 2 to get:

x <= 21

peter's age is x-5

the oldest peter can be is 21-5 = 16

when peter = 16, sean = 16 + 5 = 21

21 + 16 = 37