Answer:
4:7
Step-by-step explanation:
3:5=6:10/2=3:5
9:15=9:15/3=3:5
let's say the amount is "x", hmmm how much is 27.4% of "x"? well

so then, we know that x - 0.274x = 1000

Answer:

Step-by-step explanation:

The answer would be 3 + 6i.
1. simplify brackets (-i + 6 - 3 + 7i )
2. gather like terms ( 6 - 3 ) + ( -i + 7i )
3. simplify
So in conclusion your answer would be 3 + 6i.