Question

(5A +3b):(4a+7b) = 3:4, a:b= ?​

Answer 1

Answer:

Open this link and you get your answer!!

Expand using suitable identities. i)(5a – 3b) 2 ii) (4a – 7b) (4a + 7b) iii) (2x +3y) (2x – 5y)

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Answer 2

Answer: a/b = 9/8

Step-by-step explanation:

(5a+3b) / (4a+7b) = 3 / 4

4*(5a+3b) = 3*(4a+7b)

20a+12b = 12a+21b

8a = 9b

a/b = 9/8