Question

mpies
Example 1: If a : b = 3:4, find 3a + 4b : 4a + 5b.​

Answer 1

Answer:

a:b = 3:4

a/b = 3/ 4

a=3

b= 4

3(3)+4(4):4(3)+5(4)

9+16:12+20

25:32