Question

If a : b = 2 : 5, then the value of (2a + 3b):(7a + 5b) is:

Answer 1

hey mate
here's the solution

a:b = 2:5

2a+3b)/7a+ 5b

take b common from numerator and denominator

Now refer to attachment

Answer 2

May this help you:)....I think this is your answer