If there is a porpotional relationship then it there will be a pattern like, 7, 14, 21 etc. You can tell because the line will go straight in a perfect line and won't go at a different andle from the rest of the line.
Answer:
34 dollars
Step-by-step explanation
It is 34 because if you look at the question, you can determine that it is asking for addition. 25+9 =34