Respuesta :

Answer:

3.75 or 30/8

Step-by-step explanation:

1/3 y + 1/5 y + 3 =5

find 3 and 5s lcm. (15)

(1/3) * (5/5) = 5/15

(1/5) * (3/3) = 3/15

new equation: 5/15y + 3/15y + 3 =5

8/15 y +3 = 5

          -3 = -3

(15/8) 8/15y = (15/8) 2

y = 30/8 or 3.75