Question

*5a + 4b = 3a + 7b then a : b = ?*

1️⃣ 2 : 3
2️⃣ 1 : 3
3️⃣ 1 : 2
4️⃣ 3 : 2​

Answer 1

Answer:

4

Step-by-step explanation:

5a-3a=7b-4b

2a=3b hence the ratio is 2:3

Answer 2

Answer:

$\huge\mathtt\purple{Answer}$

5a + 4b = 3a + 7b

➡️ 5a - 3a = 7b - 4b

➡️ 2a = 3b

➡️ a = 3b / 2

➡️ a/b = 3/2

➡️ a:b = 3:2