Question

If a:b= 3:4, find (a + 2b): (3a + b).​

Answer 1

Step-by-step explanation:

a:b = 3:4

a=3

b = 4

:

$(a + 2b):(3a + b) \\ (3 + 2 \times 4) \div (3 \times 3 + 4) \\ (3 + 8) \div (9 + 4) \\ 11 \div 13$