The ages in years of three brothers are consecutive the sum of their ages is 39 decreased by the age of the youngest what are their ages

idk

step-by-step explanation:

if x decreases by 4 then y increases by 10

step-by-step explanation:

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !