Answer:

25 is the longest

Step-by-step explanation:

1ST: Add the ratio 2 + 3 + 5 = 10

2ND: Divide the sum to 50, 50 ÷ 10 = 5

3RD: Multiply the quotient to 2:3:5 1 by 1, 5 x 2 = 10, 5 x 3 = 15, 5 x 5 = 25

Therefore 25 is the longest