Question

if 3a-5 : 3a+5=1:4 a:b=?

Answer 1

Answer:

5 : 2.

Step-by-step explanation:

(3 a + 5 b ) / (3 a - 5 b ) = 5/1

⇒ 3 a + 5 b = 15 a - 25 b

⇒ 12 a = 30 b

∴ a: b = 30:12 = 5 : 2.

thank u.

Answer 2

Answer:

where is B....Please explain